diff --git a/.gitignore b/.gitignore
index 85e328e7..fc8b5fb8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -130,3 +130,7 @@ lib/
 *.cmake
 CMakeCache.txt
 Makefile
+build/android/.gradle/
+build/android/app/.externalNativeBuild/
+build/android/app/build/
+build/android/build/
diff --git a/.travis.yml b/.travis.yml
index 3cfdc1a8..0e763bac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,9 @@
 language: c
 
 script:
-  - cmake -DCMAKE_BUILD_TYPE=MinSizeRel .
-  - make -j4
+  - mkdir out && cd out
+  - cmake -DCMAKE_BUILD_TYPE=MinSizeRel ..
+  - make -j$(nproc)
 
 matrix:
   include:
@@ -24,6 +25,26 @@ matrix:
         - EXE_FILE=tic80
 
     - os: linux
+      language: android
+      install:
+        - wget https://dl.google.com/android/repository/android-ndk-r18b-linux-x86_64.zip
+        - unzip android-ndk-r18b-linux-x86_64.zip -d $HOME
+        - export ANDROID_NDK_HOME=$HOME/android-ndk-r18b
+        - touch $HOME/.android/repositories.cfg
+        - yes | sdkmanager "platforms;android-26"
+        - yes | sdkmanager "build-tools;28.0.3"
+
+      script:
+        - bash build_demos.sh
+        - cd build/android
+        - ./gradlew assembleRelease
+
+      after_success:
+        - cp app/build/outputs/apk/universal/release/app-universal-release.apk tic80.apk
+        - curl --retry 3 --ftp-create-dirs -T tic80.apk ${BUILD_SERVER}/files/$TRAVIS_BRANCH/$(date +%Y.%m.%d)/android/
+
+    - os: linux
+      dist: trusty
       env:
         - OS_FOLDER=wasm
         - EXE_FILE="tic80.js tic80.wasm"
@@ -33,14 +54,11 @@ matrix:
       before_install:
         - docker run -dit --name emscripten -v $(pwd):/src trzeci/emscripten:sdk-incoming-64bit bash
       script:
-        - cmake -DBUILD_SDL=Off -DBUILD_SOKOL=Off .
-        - make generate_demo_carts
-        - git clean -xdf -e *.tic.dat
-        - git submodule foreach --recursive git clean -xfd        
-        - docker exec -it emscripten emcmake cmake -DBUILD_SOKOL=Off -DBUILD_LIBRETRO=Off -DCMAKE_BUILD_TYPE=MinSizeRel .
+        - bash build_demos.sh
+        - docker exec -it emscripten emcmake cmake -DCMAKE_BUILD_TYPE=MinSizeRel .
         - docker exec -it emscripten make -j4
 
 after_success:
   - BUILDS_SERVER_PATH=${BUILD_SERVER}/files/$TRAVIS_BRANCH/$(date +%Y.%m.%d)/$OS_FOLDER
-  - tar -cvzf tic80.tar.gz --directory=$HOME/build/nesbox/TIC-80/bin $EXE_FILE
+  - tar -cvzf tic80.tar.gz --directory=$HOME/build/nesbox/TIC-80/out/bin $EXE_FILE
   - curl --retry 3 --ftp-create-dirs -T tic80.tar.gz $BUILDS_SERVER_PATH/
diff --git a/3rd-party b/3rd-party
index ffde1ce9..62c418b2 160000
--- a/3rd-party
+++ b/3rd-party
@@ -1 +1 @@
-Subproject commit ffde1ce9b52065fcfdeaabceda1445e912036920
+Subproject commit 62c418b272da3104df4a04a5a280311892d62df5
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5eeccc65..ce4a8e45 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,10 +3,20 @@ cmake_minimum_required(VERSION 3.3)
 project(TIC-80 C CXX)
 message("Building for target : ${CMAKE_SYSTEM_NAME}")
 
-option(BUILD_SDL "SDL Enabled" TRUE)
-option(BUILD_SOKOL "Sokol Enabled" TRUE)
-option(BUILD_LIBRETRO "libretro Enabled" TRUE)
-option(BUILD_DEMO_CARTS "Demo Carts Enabled" TRUE)
+if(ANDROID OR EMSCRIPTEN)
+	set(BUILD_SOKOL_DEFAULT OFF)
+	set(BUILD_LIBRETRO_DEFAULT OFF)
+	set(BUILD_DEMO_CARTS_DEFAULT OFF)
+else()
+	set(BUILD_SOKOL_DEFAULT ON)
+	set(BUILD_LIBRETRO_DEFAULT ON)
+	set(BUILD_DEMO_CARTS_DEFAULT ON)
+endif()
+
+option(BUILD_SDL "SDL Enabled" ON)
+option(BUILD_SOKOL "Sokol Enabled" ${BUILD_SOKOL_DEFAULT})
+option(BUILD_LIBRETRO "libretro Enabled" ${BUILD_LIBRETRO_DEFAULT})
+option(BUILD_DEMO_CARTS "Demo Carts Enabled" ${BUILD_DEMO_CARTS_DEFAULT})
 option(BUILD_PRO "Build PRO version" FALSE)
 
 if(UNIX AND NOT APPLE AND NOT EMSCRIPTEN AND NOT ANDROID)
@@ -233,8 +243,12 @@ if(BUILD_SDL AND NOT EMSCRIPTEN)
 		set(HAVE_LIBC TRUE)
 	endif()
 
-	set(SDL_SHARED_ENABLED_BY_DEFAULT OFF)
-	add_subdirectory(${THIRDPARTY_DIR}/SDL2-2.0.8)
+	if(ANDROID)
+		set(SDL_SHARED_ENABLED_BY_DEFAULT OFF CACHE BOOL "Build a shared version of the library")
+        include_directories(${ANDROID_NDK}/sources/android/cpufeatures)
+    endif()
+
+	add_subdirectory(${THIRDPARTY_DIR}/sdl2)
 
 endif()
 
@@ -243,7 +257,7 @@ endif()
 ################################
 
 set(EXAMPLE_DIR ${CMAKE_SOURCE_DIR}/examples)
-if(BUILD_SDL AND NOT EMSCRIPTEN)
+if(BUILD_SDL AND NOT EMSCRIPTEN AND NOT ANDROID)
 	set(EXAMPLE_SRC 
 		${EXAMPLE_DIR}/sdl/main.c
 	)
@@ -254,7 +268,7 @@ if(BUILD_SDL AND NOT EMSCRIPTEN)
 		add_executable(sdl-renderer ${EXAMPLE_SRC})
 	endif()
 
-	target_include_directories(sdl-renderer PRIVATE ${THIRDPARTY_DIR}/SDL2-2.0.8/include)
+	target_include_directories(sdl-renderer PRIVATE ${THIRDPARTY_DIR}/sdl2/include)
 	target_include_directories(sdl-renderer PRIVATE ${CMAKE_SOURCE_DIR}/include)
 	target_include_directories(sdl-renderer PRIVATE ${CMAKE_SOURCE_DIR}/src)
 
@@ -279,7 +293,7 @@ else()
 	set(SOKOL_LIB_SRC ${SOKOL_LIB_SRC} ${CMAKE_SOURCE_DIR}/src/system/sokol_impl.c)
 endif()
 
-add_library(sokol ${SOKOL_LIB_SRC})
+add_library(sokol STATIC ${SOKOL_LIB_SRC})
 
 if(APPLE)
 	target_compile_definitions(sokol PRIVATE SOKOL_METAL)
@@ -383,27 +397,32 @@ endif()
 if(BUILD_SDL)
 set(SDLGPU_DIR ${THIRDPARTY_DIR}/sdl-gpu/src)
 set(SDLGPU_SRC
-	${SDLGPU_DIR}/renderer_GLES_1.c
 	${SDLGPU_DIR}/renderer_GLES_2.c
-	${SDLGPU_DIR}/renderer_GLES_3.c
-	${SDLGPU_DIR}/renderer_OpenGL_1.c
-	${SDLGPU_DIR}/renderer_OpenGL_1_BASE.c
-	${SDLGPU_DIR}/renderer_OpenGL_2.c
-	${SDLGPU_DIR}/renderer_OpenGL_3.c
-	${SDLGPU_DIR}/renderer_OpenGL_4.c
 	${SDLGPU_DIR}/SDL_gpu.c
 	${SDLGPU_DIR}/SDL_gpu_matrix.c
 	${SDLGPU_DIR}/SDL_gpu_renderer.c
-	${SDLGPU_DIR}/SDL_gpu_shapes.c
-	${SDLGPU_DIR}/externals/glew/glew.c
 	${SDLGPU_DIR}/externals/stb_image/stb_image.c
 	${SDLGPU_DIR}/externals/stb_image_write/stb_image_write.c
 )
 
+if(NOT ANDROID)
+	list(APPEND SDLGPU_SRC 
+		${SDLGPU_DIR}/renderer_GLES_1.c
+		${SDLGPU_DIR}/renderer_GLES_3.c
+		${SDLGPU_DIR}/renderer_OpenGL_1.c
+		${SDLGPU_DIR}/renderer_OpenGL_1_BASE.c
+		${SDLGPU_DIR}/renderer_OpenGL_2.c
+		${SDLGPU_DIR}/renderer_OpenGL_3.c
+		${SDLGPU_DIR}/renderer_OpenGL_4.c
+		${SDLGPU_DIR}/SDL_gpu_shapes.c	
+		${SDLGPU_DIR}/externals/glew/glew.c
+	)
+endif()
+
 add_library(sdlgpu STATIC ${SDLGPU_SRC})
 
-if(EMSCRIPTEN)
-	target_compile_definitions(sdlgpu PRIVATE GLEW_STATIC DSDL_GPU_DISABLE_OPENGL SDL_GPU_DISABLE_GLES_1 SDL_GPU_DISABLE_GLES_3 SDL_GPU_DISABLE_OPENGL)
+if(EMSCRIPTEN OR ANDROID)
+	target_compile_definitions(sdlgpu PRIVATE GLEW_STATIC SDL_GPU_DISABLE_GLES_1 SDL_GPU_DISABLE_GLES_3 SDL_GPU_DISABLE_OPENGL)
 else()
 	target_compile_definitions(sdlgpu PRIVATE GLEW_STATIC SDL_GPU_DISABLE_GLES SDL_GPU_DISABLE_OPENGL_3 SDL_GPU_DISABLE_OPENGL_4)
 endif()
@@ -413,7 +432,7 @@ target_include_directories(sdlgpu PRIVATE ${THIRDPARTY_DIR}/sdl-gpu/src/external
 target_include_directories(sdlgpu PRIVATE ${THIRDPARTY_DIR}/sdl-gpu/src/externals/glew/GL)
 target_include_directories(sdlgpu PRIVATE ${THIRDPARTY_DIR}/sdl-gpu/src/externals/stb_image)
 target_include_directories(sdlgpu PRIVATE ${THIRDPARTY_DIR}/sdl-gpu/src/externals/stb_image_write)
-target_include_directories(sdlgpu PRIVATE ${THIRDPARTY_DIR}/SDL2-2.0.8/include)
+target_include_directories(sdlgpu PRIVATE ${THIRDPARTY_DIR}/sdl2/include)
 
 if(WIN32)
 	target_link_libraries(sdlgpu opengl32)
@@ -424,9 +443,26 @@ if(LINUX)
 endif()
 
 if(APPLE)
-	FIND_LIBRARY(OPENGL_LIBRARY OpenGL)
+	find_library(OPENGL_LIBRARY OpenGL)
 	target_link_libraries(sdlgpu ${OPENGL_LIBRARY})
 endif()
+
+if(ANDROID)
+	find_library( ANDROID_LOG_LIBRARY log )
+	find_library( ANDROID_GLES2_LIBRARY GLESv2 )
+	find_library( ANDROID_GLES1_LIBRARY GLESv1_CM )
+	target_link_libraries(sdlgpu
+		${ANDROID_LOG_LIBRARY}
+		${ANDROID_GLES2_LIBRARY}
+		${ANDROID_GLES1_LIBRARY}
+	)
+endif()
+
+if(NOT EMSCRIPTEN)
+	add_dependencies(sdlgpu SDL2-static)
+	target_link_libraries(sdlgpu SDL2-static)
+endif()
+
 endif()
 
 ################################
@@ -442,7 +478,7 @@ set(SDLNET_SRC
 )
 
 add_library(sdlnet STATIC ${SDLNET_SRC})
-target_include_directories(sdlnet PRIVATE ${THIRDPARTY_DIR}/SDL2-2.0.8/include)
+target_include_directories(sdlnet PRIVATE ${THIRDPARTY_DIR}/sdl2/include)
 
 if(WIN32)
 	target_link_libraries(sdlnet ws2_32)
@@ -474,7 +510,7 @@ add_library(zlib STATIC ${ZLIB_SRC})
 # bin2txt
 ################################
 
-if(NOT EMSCRIPTEN AND BUILD_DEMO_CARTS)
+if(BUILD_DEMO_CARTS)
 	set(BIN2TXT_DIR ${CMAKE_SOURCE_DIR}/tools/bin2txt)
 	set(BIN2TXT_SRC 
 		${BIN2TXT_DIR}/bin2txt.c
@@ -563,10 +599,6 @@ foreach(TIC80_OUTPUT ${TIC80_OUTPUTS})
 	add_dependencies(${TIC80_OUTPUT}lib tic80core zlib)
 	target_link_libraries(${TIC80_OUTPUT}lib tic80core zlib)
 
-	if(BUILD_DEMO_CARTS)
-		target_compile_definitions(${TIC80_OUTPUT}lib PUBLIC BUILD_DEMO_CARTS)
-	endif()
-
 endforeach()
 
 if(BUILD_PRO)
@@ -597,9 +629,15 @@ foreach(TIC80_OUTPUT ${TIC80_OUTPUTS})
 
 		add_executable(${TIC80_OUTPUT} ${SYSTEM_TYPE} ${TIC80_SRC})
 	elseif(APPLE)
-		add_executable(${TIC80_OUTPUT} MACOSX_BUNDLE ${TIC80_SRC} build/macosx/tic80.icns)
-		set_source_files_properties(build/macosx/tic80.icns PROPERTIES MACOSX_PACKAGE_LOCATION RESOURCES)
-		set_target_properties(${TIC80_OUTPUT} PROPERTIES MACOSX_BUNDLE_INFO_PLIST build/macosx/${TIC80_OUTPUT}.plist)
+		add_executable(${TIC80_OUTPUT} MACOSX_BUNDLE ${TIC80_SRC} ${CMAKE_SOURCE_DIR}/build/macosx/tic80.icns)
+		set_source_files_properties(${CMAKE_SOURCE_DIR}/build/macosx/tic80.icns PROPERTIES MACOSX_PACKAGE_LOCATION RESOURCES)
+		set_target_properties(${TIC80_OUTPUT} PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${CMAKE_SOURCE_DIR}/build/macosx/${TIC80_OUTPUT}.plist)
+	elseif(ANDROID)
+
+		set(TIC80_SRC ${TIC80_SRC} ${ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c)
+
+		add_library(${TIC80_OUTPUT} SHARED ${TIC80_SRC})
+		target_link_libraries(${TIC80_OUTPUT} hidapi)
 	else()
 		add_executable(${TIC80_OUTPUT} ${TIC80_SRC})
 	endif()
@@ -607,7 +645,7 @@ foreach(TIC80_OUTPUT ${TIC80_OUTPUTS})
 	target_include_directories(${TIC80_OUTPUT} PRIVATE ${CMAKE_SOURCE_DIR}/include)
 	target_include_directories(${TIC80_OUTPUT} PRIVATE ${CMAKE_SOURCE_DIR}/src)
 	target_include_directories(${TIC80_OUTPUT} PRIVATE ${THIRDPARTY_DIR}/SDL2_net-2.0.1)
-	target_include_directories(${TIC80_OUTPUT} PRIVATE ${THIRDPARTY_DIR}/SDL2-2.0.8/include)
+	target_include_directories(${TIC80_OUTPUT} PRIVATE ${THIRDPARTY_DIR}/sdl2/include)
 
 	target_include_directories(${TIC80_OUTPUT} PRIVATE ${THIRDPARTY_DIR}/sdl-gpu/include)
 
@@ -616,10 +654,10 @@ foreach(TIC80_OUTPUT ${TIC80_OUTPUTS})
 	endif()
 
 	if(EMSCRIPTEN)
-		set_target_properties(${TIC80_OUTPUT} PROPERTIES LINK_FLAGS "-s WASM=1 -s USE_SDL=2 -s TOTAL_MEMORY=67108864 --pre-js build/html/prejs.js")
-	else()
-		add_dependencies(${TIC80_OUTPUT} SDL2main SDL2-static)
-		target_link_libraries(${TIC80_OUTPUT} SDL2-static SDL2main)
+		set_target_properties(${TIC80_OUTPUT} PROPERTIES LINK_FLAGS "-s WASM=1 -s USE_SDL=2 -s TOTAL_MEMORY=67108864 --pre-js ${CMAKE_SOURCE_DIR}/build/html/prejs.js")		
+	elseif(NOT ANDROID)
+		add_dependencies(${TIC80_OUTPUT} SDL2main)
+		target_link_libraries(${TIC80_OUTPUT} SDL2main)
 	endif()
 
 	add_dependencies(${TIC80_OUTPUT} ${TIC80_OUTPUT}lib sdlnet sdlgpu)
@@ -664,9 +702,9 @@ foreach(TIC80_OUTPUT ${TIC80_OUTPUTS})
 
 		add_executable(${TIC80_OUTPUT}-sokol ${SYSTEM_TYPE} ${TIC80_SRC})
 	elseif(APPLE)
-		add_executable(${TIC80_OUTPUT}-sokol MACOSX_BUNDLE ${TIC80_SRC} build/macosx/tic80.icns)
-		set_source_files_properties(build/macosx/tic80.icns PROPERTIES MACOSX_PACKAGE_LOCATION RESOURCES)
-		set_target_properties(${TIC80_OUTPUT}-sokol PROPERTIES MACOSX_BUNDLE_INFO_PLIST build/macosx/${TIC80_OUTPUT}-sokol.plist)
+		add_executable(${TIC80_OUTPUT}-sokol MACOSX_BUNDLE ${TIC80_SRC} ${CMAKE_SOURCE_DIR}/build/macosx/tic80.icns)
+		set_source_files_properties(${CMAKE_SOURCE_DIR}/build/macosx/tic80.icns PROPERTIES MACOSX_PACKAGE_LOCATION RESOURCES)
+		set_target_properties(${TIC80_OUTPUT}-sokol PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${CMAKE_SOURCE_DIR}/build/macosx/${TIC80_OUTPUT}-sokol.plist)
 	else()
 		add_executable(${TIC80_OUTPUT}-sokol ${TIC80_SRC})
 	endif()
@@ -674,7 +712,7 @@ foreach(TIC80_OUTPUT ${TIC80_OUTPUTS})
 	target_include_directories(${TIC80_OUTPUT}-sokol PRIVATE ${CMAKE_SOURCE_DIR}/include)
 	target_include_directories(${TIC80_OUTPUT}-sokol PRIVATE ${CMAKE_SOURCE_DIR}/src)
 	target_include_directories(${TIC80_OUTPUT}-sokol PRIVATE ${THIRDPARTY_DIR}/SDL2_net-2.0.1)
-	target_include_directories(${TIC80_OUTPUT}-sokol PRIVATE ${THIRDPARTY_DIR}/SDL2-2.0.8/include)
+	target_include_directories(${TIC80_OUTPUT}-sokol PRIVATE ${THIRDPARTY_DIR}/sdl2/include)
 
 	target_include_directories(${TIC80_OUTPUT}-sokol PRIVATE ${THIRDPARTY_DIR}/sokol)
 
diff --git a/appveyor.yml b/appveyor.yml
index 0c3fd33d..eb76710f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,13 +15,14 @@ install:
   - if [%COMPILER%]==[MinGW-w64] set PATH=C:\mingw-w64\x86_64-7.3.0-posix-seh-rt_v5-rev0\mingw64\bin;%PATH%
 
 build_script:
-  - if [%COMPILER%]==[MinGW-w64] cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=%BUILD_TYPE% -DCMAKE_SH=CMAKE_SH-NOTFOUND .
-  - if [%COMPILER%]==[MSVC] cmake -G "Visual Studio 14 2015" -DCMAKE_BUILD_TYPE=%BUILD_TYPE% .
-  - if [%COMPILER%]==[MSVC64] cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_BUILD_TYPE=%BUILD_TYPE% .
+  - mkdir out && cd out
+  - if [%COMPILER%]==[MinGW-w64] cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=%BUILD_TYPE% -DCMAKE_SH=CMAKE_SH-NOTFOUND ..
+  - if [%COMPILER%]==[MSVC] cmake -G "Visual Studio 14 2015" -DCMAKE_BUILD_TYPE=%BUILD_TYPE% ..
+  - if [%COMPILER%]==[MSVC64] cmake -G "Visual Studio 14 2015 Win64" -DCMAKE_BUILD_TYPE=%BUILD_TYPE% ..
   - cmake --build . --parallel --config %BUILD_TYPE%
 
 after_build:
-  7z a tic80.zip %APPVEYOR_BUILD_FOLDER%\bin\tic80.exe
+  7z a tic80.zip %APPVEYOR_BUILD_FOLDER%\out\bin\tic80.exe
 
 on_success:
 - ps: $env:DATE=[TimeZoneInfo]::ConvertTimeBySystemTimeZoneId([DateTime]::UtcNow, "Belarus Standard Time").ToString('yyyy.MM.dd')
diff --git a/build/android/ant.properties b/build/android/ant.properties
deleted file mode 100644
index 92433717..00000000
--- a/build/android/ant.properties
+++ /dev/null
@@ -1,24 +0,0 @@
-# This file is used to override default values used by the Ant build system.
-#
-# This file must be checked into Version Control Systems, as it is
-# integral to the build system of your project.
-
-# This file is only used by the Ant script.
-
-# You can use this to override default values such as
-#  'source.dir' for the location of your java source folder and
-#  'out.dir' for the location of your output folder.
-
-# You can also use it define how the release builds are signed by declaring
-# the following properties:
-#  'key.store' for the location of your keystore and
-#  'key.alias' for the name of the key to use.
-# The password will be asked during the build when you use the 'release' target.
-
-key.store=my-release-key.keystore
-key.store.password = 123456
-key.alias=alias_name
-key.alias.password = 123456
-
-java.source=8
-java.target=8
diff --git a/build/android/app/build.gradle b/build/android/app/build.gradle
new file mode 100644
index 00000000..97de7c7b
--- /dev/null
+++ b/build/android/app/build.gradle
@@ -0,0 +1,73 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId 'com.nesbox.tic'
+        minSdkVersion 16
+        targetSdkVersion 26
+        versionCode 8000
+        versionName '0.80.0'
+    }
+
+    signingConfigs {
+
+        release {
+           storeFile file(RELEASE_STORE_FILE)
+           storePassword RELEASE_STORE_PASSWORD
+           keyAlias RELEASE_KEY_ALIAS
+           keyPassword RELEASE_KEY_PASSWORD
+       }
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'),
+                    'proguard-rules.pro'
+            signingConfig signingConfigs.release
+        }
+    }
+    externalNativeBuild {
+        cmake {
+            path '../../../CMakeLists.txt'
+        }
+    }
+
+    flavorDimensions 'cpuArch'
+    productFlavors {
+        // arm7 {
+        //     dimension 'cpuArch'
+        //     ndk {
+        //         abiFilter 'armeabi-v7a'
+        //     }
+        // }
+        // arm8 {
+        //     dimension 'cpuArch'
+        //     ndk {
+        //         abiFilters 'arm64-v8a'
+        //     }
+        // }
+        // x86 {
+        //     dimension 'cpuArch'
+        //     ndk {
+        //         abiFilter 'x86'
+        //     }
+        // }
+        // x86_64 {
+        //     dimension 'cpuArch'
+        //     ndk {
+        //         abiFilter 'x86_64'
+        //     }
+        // }
+        universal {
+            dimension 'cpuArch'
+            // include all default ABIs. with NDK-r16,  it is:
+            //   armeabi-v7a, arm64-v8a, x86, x86_64
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+}
diff --git a/build/android/proguard-project.txt b/build/android/app/proguard-rules.pro
similarity index 62%
rename from build/android/proguard-project.txt
rename to build/android/app/proguard-rules.pro
index f2fe1559..b7420a70 100644
--- a/build/android/proguard-project.txt
+++ b/build/android/app/proguard-rules.pro
@@ -1,11 +1,8 @@
-# To enable ProGuard in your project, edit project.properties
-# to define the proguard.config property as described in that file.
-#
 # Add project specific ProGuard rules here.
 # By default, the flags in this file are appended to flags specified
-# in ${sdk.dir}/tools/proguard/proguard-android.txt
-# You can edit the include path and order by changing the ProGuard
-# include property in project.properties.
+# in /Users/gfan/dev/sdk_current/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
 #
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
diff --git a/build/android/AndroidManifest.xml b/build/android/app/src/main/AndroidManifest.xml
similarity index 78%
rename from build/android/AndroidManifest.xml
rename to build/android/app/src/main/AndroidManifest.xml
index e3310350..e7dc6866 100644
--- a/build/android/AndroidManifest.xml
+++ b/build/android/app/src/main/AndroidManifest.xml
@@ -4,18 +4,20 @@
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="com.nesbox.tic"
-      android:versionCode="7006"
-      android:versionName="0.70.6"
+      android:versionCode="8000"
+      android:versionName="0.80.0"
       android:installLocation="auto">
 
-    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="14" />
+    <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="26" />
 
     <!-- OpenGL ES 2.0 -->
     <uses-feature android:glEsVersion="0x00020000" />
 
     <!-- Allow writing to external storage -->
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.BLUETOOTH" />    
 
     <!-- Create a Java class extending SDLActivity and place it in a
          directory under src matching the package, e.g.
@@ -33,7 +35,9 @@
                  android:hardwareAccelerated="true" >
         <activity android:name="TIC"
                   android:label="@string/app_name"
-                  android:configChanges="keyboardHidden|keyboard|orientation|screenSize"
+                  android:alwaysRetainTaskState="true"
+                  android:launchMode="singleInstance"
+                  android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|keyboard|keyboardHidden|navigation"
                   >
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
diff --git a/build/android/src/com/nesbox/tic/TIC.java b/build/android/app/src/main/java/com/nesbox/tic/TIC.java
similarity index 96%
rename from build/android/src/com/nesbox/tic/TIC.java
rename to build/android/app/src/main/java/com/nesbox/tic/TIC.java
index c3703598..74c5b47c 100644
--- a/build/android/src/com/nesbox/tic/TIC.java
+++ b/build/android/app/src/main/java/com/nesbox/tic/TIC.java
@@ -11,13 +11,8 @@ public class TIC extends SDLActivity
 	@Override
 	protected String[] getLibraries() {
 		return new String[] {
-			"SDL2",
-			"sdlgpu",
-			"lua",
-			"wren",
-			"z",
-			"gif",
-			"main"
+			"hidapi",
+			"tic80",
 		};
 	}
 
diff --git a/build/android/src/com/samsung/sprc/fileselector/FileData.java b/build/android/app/src/main/java/com/samsung/sprc/fileselector/FileData.java
similarity index 100%
rename from build/android/src/com/samsung/sprc/fileselector/FileData.java
rename to build/android/app/src/main/java/com/samsung/sprc/fileselector/FileData.java
diff --git a/build/android/src/com/samsung/sprc/fileselector/FileListAdapter.java b/build/android/app/src/main/java/com/samsung/sprc/fileselector/FileListAdapter.java
similarity index 100%
rename from build/android/src/com/samsung/sprc/fileselector/FileListAdapter.java
rename to build/android/app/src/main/java/com/samsung/sprc/fileselector/FileListAdapter.java
diff --git a/build/android/src/com/samsung/sprc/fileselector/FileOperation.java b/build/android/app/src/main/java/com/samsung/sprc/fileselector/FileOperation.java
similarity index 100%
rename from build/android/src/com/samsung/sprc/fileselector/FileOperation.java
rename to build/android/app/src/main/java/com/samsung/sprc/fileselector/FileOperation.java
diff --git a/build/android/src/com/samsung/sprc/fileselector/FileSelector.java b/build/android/app/src/main/java/com/samsung/sprc/fileselector/FileSelector.java
similarity index 100%
rename from build/android/src/com/samsung/sprc/fileselector/FileSelector.java
rename to build/android/app/src/main/java/com/samsung/sprc/fileselector/FileSelector.java
diff --git a/build/android/src/com/samsung/sprc/fileselector/FileUtils.java b/build/android/app/src/main/java/com/samsung/sprc/fileselector/FileUtils.java
similarity index 100%
rename from build/android/src/com/samsung/sprc/fileselector/FileUtils.java
rename to build/android/app/src/main/java/com/samsung/sprc/fileselector/FileUtils.java
diff --git a/build/android/src/com/samsung/sprc/fileselector/OnHandleFileListener.java b/build/android/app/src/main/java/com/samsung/sprc/fileselector/OnHandleFileListener.java
similarity index 100%
rename from build/android/src/com/samsung/sprc/fileselector/OnHandleFileListener.java
rename to build/android/app/src/main/java/com/samsung/sprc/fileselector/OnHandleFileListener.java
diff --git a/build/android/src/com/samsung/sprc/fileselector/SaveLoadClickListener.java b/build/android/app/src/main/java/com/samsung/sprc/fileselector/SaveLoadClickListener.java
similarity index 100%
rename from build/android/src/com/samsung/sprc/fileselector/SaveLoadClickListener.java
rename to build/android/app/src/main/java/com/samsung/sprc/fileselector/SaveLoadClickListener.java
diff --git a/build/android/src/com/samsung/sprc/fileselector/TextViewWithImage.java b/build/android/app/src/main/java/com/samsung/sprc/fileselector/TextViewWithImage.java
similarity index 100%
rename from build/android/src/com/samsung/sprc/fileselector/TextViewWithImage.java
rename to build/android/app/src/main/java/com/samsung/sprc/fileselector/TextViewWithImage.java
diff --git a/build/android/app/src/main/java/org/libsdl/app/HIDDevice.java b/build/android/app/src/main/java/org/libsdl/app/HIDDevice.java
new file mode 100644
index 00000000..aa358d1f
--- /dev/null
+++ b/build/android/app/src/main/java/org/libsdl/app/HIDDevice.java
@@ -0,0 +1,19 @@
+package org.libsdl.app;
+
+interface HIDDevice
+{
+    public int getId();
+    public int getVendorId();
+    public int getProductId();
+    public String getSerialNumber();
+    public int getVersion();
+    public String getManufacturerName();
+    public String getProductName();
+    public boolean open();
+    public int sendFeatureReport(byte[] report);
+    public int sendOutputReport(byte[] report);
+    public boolean getFeatureReport(byte[] report);
+    public void setFrozen(boolean frozen);
+    public void close();
+    public void shutdown();
+}
diff --git a/build/android/app/src/main/java/org/libsdl/app/HIDDeviceBLESteamController.java b/build/android/app/src/main/java/org/libsdl/app/HIDDeviceBLESteamController.java
new file mode 100644
index 00000000..51538fae
--- /dev/null
+++ b/build/android/app/src/main/java/org/libsdl/app/HIDDeviceBLESteamController.java
@@ -0,0 +1,644 @@
+package org.libsdl.app;
+
+import android.content.Context;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothGatt;
+import android.bluetooth.BluetoothGattCallback;
+import android.bluetooth.BluetoothGattCharacteristic;
+import android.bluetooth.BluetoothGattDescriptor;
+import android.bluetooth.BluetoothManager;
+import android.bluetooth.BluetoothProfile;
+import android.bluetooth.BluetoothGattService;
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
+import android.os.*;
+
+//import com.android.internal.util.HexDump;
+
+import java.lang.Runnable;
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.UUID;
+
+class HIDDeviceBLESteamController extends BluetoothGattCallback implements HIDDevice {
+
+    private static final String TAG = "hidapi";
+    private HIDDeviceManager mManager;
+    private BluetoothDevice mDevice;
+    private int mDeviceId;
+    private BluetoothGatt mGatt;
+    private boolean mIsRegistered = false;
+    private boolean mIsConnected = false;
+    private boolean mIsChromebook = false;
+    private boolean mIsReconnecting = false;
+    private boolean mFrozen = false;
+    private LinkedList<GattOperation> mOperations;
+    GattOperation mCurrentOperation = null;
+    private Handler mHandler;
+
+    private static final int TRANSPORT_AUTO = 0;
+    private static final int TRANSPORT_BREDR = 1;
+    private static final int TRANSPORT_LE = 2;
+
+    private static final int CHROMEBOOK_CONNECTION_CHECK_INTERVAL = 10000;
+
+    static public final UUID steamControllerService = UUID.fromString("100F6C32-1735-4313-B402-38567131E5F3");
+    static public final UUID inputCharacteristic = UUID.fromString("100F6C33-1735-4313-B402-38567131E5F3");
+    static public final UUID reportCharacteristic = UUID.fromString("100F6C34-1735-4313-B402-38567131E5F3");
+    static private final byte[] enterValveMode = new byte[] { (byte)0xC0, (byte)0x87, 0x03, 0x08, 0x07, 0x00 };
+
+    static class GattOperation {
+        private enum Operation {
+            CHR_READ,
+            CHR_WRITE,
+            ENABLE_NOTIFICATION
+        }
+
+        Operation mOp;
+        UUID mUuid;
+        byte[] mValue;
+        BluetoothGatt mGatt;
+        boolean mResult = true;
+
+        private GattOperation(BluetoothGatt gatt, GattOperation.Operation operation, UUID uuid) {
+            mGatt = gatt;
+            mOp = operation;
+            mUuid = uuid;
+        }
+
+        private GattOperation(BluetoothGatt gatt, GattOperation.Operation operation, UUID uuid, byte[] value) {
+            mGatt = gatt;
+            mOp = operation;
+            mUuid = uuid;
+            mValue = value;
+        }
+
+        public void run() {
+            // This is executed in main thread
+            BluetoothGattCharacteristic chr;
+
+            switch (mOp) {
+                case CHR_READ:
+                    chr = getCharacteristic(mUuid);
+                    //Log.v(TAG, "Reading characteristic " + chr.getUuid());
+                    if (!mGatt.readCharacteristic(chr)) {
+                        Log.e(TAG, "Unable to read characteristic " + mUuid.toString());
+                        mResult = false;
+                        break;
+                    }
+                    mResult = true;
+                    break;
+                case CHR_WRITE:
+                    chr = getCharacteristic(mUuid);
+                    //Log.v(TAG, "Writing characteristic " + chr.getUuid() + " value=" + HexDump.toHexString(value));
+                    chr.setValue(mValue);
+                    if (!mGatt.writeCharacteristic(chr)) {
+                        Log.e(TAG, "Unable to write characteristic " + mUuid.toString());
+                        mResult = false;
+                        break;
+                    }
+                    mResult = true;
+                    break;
+                case ENABLE_NOTIFICATION:
+                    chr = getCharacteristic(mUuid);
+                    //Log.v(TAG, "Writing descriptor of " + chr.getUuid());
+                    if (chr != null) {
+                        BluetoothGattDescriptor cccd = chr.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"));
+                        if (cccd != null) {
+                            int properties = chr.getProperties();
+                            byte[] value;
+                            if ((properties & BluetoothGattCharacteristic.PROPERTY_NOTIFY) == BluetoothGattCharacteristic.PROPERTY_NOTIFY) {
+                                value = BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE;
+                            } else if ((properties & BluetoothGattCharacteristic.PROPERTY_INDICATE) == BluetoothGattCharacteristic.PROPERTY_INDICATE) {
+                                value = BluetoothGattDescriptor.ENABLE_INDICATION_VALUE;
+                            } else {
+                                Log.e(TAG, "Unable to start notifications on input characteristic");
+                                mResult = false;
+                                return;
+                            }
+
+                            mGatt.setCharacteristicNotification(chr, true);
+                            cccd.setValue(value);
+                            if (!mGatt.writeDescriptor(cccd)) {
+                                Log.e(TAG, "Unable to write descriptor " + mUuid.toString());
+                                mResult = false;
+                                return;
+                            }
+                            mResult = true;
+                        }
+                    }
+            }
+        }
+
+        public boolean finish() {
+            return mResult;
+        }
+
+        private BluetoothGattCharacteristic getCharacteristic(UUID uuid) {
+            BluetoothGattService valveService = mGatt.getService(steamControllerService);
+            if (valveService == null)
+                return null;
+            return valveService.getCharacteristic(uuid);
+        }
+
+        static public GattOperation readCharacteristic(BluetoothGatt gatt, UUID uuid) {
+            return new GattOperation(gatt, Operation.CHR_READ, uuid);
+        }
+
+        static public GattOperation writeCharacteristic(BluetoothGatt gatt, UUID uuid, byte[] value) {
+            return new GattOperation(gatt, Operation.CHR_WRITE, uuid, value);
+        }
+
+        static public GattOperation enableNotification(BluetoothGatt gatt, UUID uuid) {
+            return new GattOperation(gatt, Operation.ENABLE_NOTIFICATION, uuid);
+        }
+    }
+
+    public HIDDeviceBLESteamController(HIDDeviceManager manager, BluetoothDevice device) {
+        mManager = manager;
+        mDevice = device;
+        mDeviceId = mManager.getDeviceIDForIdentifier(getIdentifier());
+        mIsRegistered = false;
+        mIsChromebook = mManager.getContext().getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
+        mOperations = new LinkedList<GattOperation>();
+        mHandler = new Handler(Looper.getMainLooper());
+
+        mGatt = connectGatt();
+        final HIDDeviceBLESteamController finalThis = this;
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                finalThis.checkConnectionForChromebookIssue();
+            }
+        }, CHROMEBOOK_CONNECTION_CHECK_INTERVAL);
+    }
+
+    public String getIdentifier() {
+        return String.format("SteamController.%s", mDevice.getAddress());
+    }
+
+    public BluetoothGatt getGatt() {
+        return mGatt;
+    }
+
+    // Because on Chromebooks we show up as a dual-mode device, it will attempt to connect TRANSPORT_AUTO, which will use TRANSPORT_BREDR instead
+    // of TRANSPORT_LE.  Let's force ourselves to connect low energy.
+    private BluetoothGatt connectGatt(boolean managed) {
+        if (Build.VERSION.SDK_INT >= 23) {
+            try {
+                return mDevice.connectGatt(mManager.getContext(), managed, this, TRANSPORT_LE);
+            } catch (Exception e) {
+                return mDevice.connectGatt(mManager.getContext(), managed, this);
+            }
+        } else {
+            return mDevice.connectGatt(mManager.getContext(), managed, this);
+        }
+    }
+
+    private BluetoothGatt connectGatt() {
+        return connectGatt(false);
+    }
+
+    protected int getConnectionState() {
+
+        Context context = mManager.getContext();
+        if (context == null) {
+            // We are lacking any context to get our Bluetooth information.  We'll just assume disconnected.
+            return BluetoothProfile.STATE_DISCONNECTED;
+        }
+
+        BluetoothManager btManager = (BluetoothManager)context.getSystemService(Context.BLUETOOTH_SERVICE);
+        if (btManager == null) {
+            // This device doesn't support Bluetooth.  We should never be here, because how did
+            // we instantiate a device to start with?
+            return BluetoothProfile.STATE_DISCONNECTED;
+        }
+
+        return btManager.getConnectionState(mDevice, BluetoothProfile.GATT);
+    }
+
+    public void reconnect() {
+
+        if (getConnectionState() != BluetoothProfile.STATE_CONNECTED) {
+            mGatt.disconnect();
+            mGatt = connectGatt();
+        }
+
+    }
+
+    protected void checkConnectionForChromebookIssue() {
+        if (!mIsChromebook) {
+            // We only do this on Chromebooks, because otherwise it's really annoying to just attempt
+            // over and over.
+            return;
+        }
+
+        int connectionState = getConnectionState();
+
+        switch (connectionState) {
+            case BluetoothProfile.STATE_CONNECTED:
+                if (!mIsConnected) {
+                    // We are in the Bad Chromebook Place.  We can force a disconnect
+                    // to try to recover.
+                    Log.v(TAG, "Chromebook: We are in a very bad state; the controller shows as connected in the underlying Bluetooth layer, but we never received a callback.  Forcing a reconnect.");
+                    mIsReconnecting = true;
+                    mGatt.disconnect();
+                    mGatt = connectGatt(false);
+                    break;
+                }
+                else if (!isRegistered()) {
+                    if (mGatt.getServices().size() > 0) {
+                        Log.v(TAG, "Chromebook: We are connected to a controller, but never got our registration.  Trying to recover.");
+                        probeService(this);
+                    }
+                    else {
+                        Log.v(TAG, "Chromebook: We are connected to a controller, but never discovered services.  Trying to recover.");
+                        mIsReconnecting = true;
+                        mGatt.disconnect();
+                        mGatt = connectGatt(false);
+                        break;
+                    }
+                }
+                else {
+                    Log.v(TAG, "Chromebook: We are connected, and registered.  Everything's good!");
+                    return;
+                }
+                break;
+
+            case BluetoothProfile.STATE_DISCONNECTED:
+                Log.v(TAG, "Chromebook: We have either been disconnected, or the Chromebook BtGatt.ContextMap bug has bitten us.  Attempting a disconnect/reconnect, but we may not be able to recover.");
+
+                mIsReconnecting = true;
+                mGatt.disconnect();
+                mGatt = connectGatt(false);
+                break;
+
+            case BluetoothProfile.STATE_CONNECTING:
+                Log.v(TAG, "Chromebook: We're still trying to connect.  Waiting a bit longer.");
+                break;
+        }
+
+        final HIDDeviceBLESteamController finalThis = this;
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                finalThis.checkConnectionForChromebookIssue();
+            }
+        }, CHROMEBOOK_CONNECTION_CHECK_INTERVAL);
+    }
+
+    private boolean isRegistered() {
+        return mIsRegistered;
+    }
+
+    private void setRegistered() {
+        mIsRegistered = true;
+    }
+
+    private boolean probeService(HIDDeviceBLESteamController controller) {
+
+        if (isRegistered()) {
+            return true;
+        }
+
+        if (!mIsConnected) {
+            return false;
+        }
+
+        Log.v(TAG, "probeService controller=" + controller);
+
+        for (BluetoothGattService service : mGatt.getServices()) {
+            if (service.getUuid().equals(steamControllerService)) {
+                Log.v(TAG, "Found Valve steam controller service " + service.getUuid());
+
+                for (BluetoothGattCharacteristic chr : service.getCharacteristics()) {
+                    if (chr.getUuid().equals(inputCharacteristic)) {
+                        Log.v(TAG, "Found input characteristic");
+                        // Start notifications
+                        BluetoothGattDescriptor cccd = chr.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"));
+                        if (cccd != null) {
+                            enableNotification(chr.getUuid());
+                        }
+                    }
+                }
+                return true;
+            }
+        }
+
+        if ((mGatt.getServices().size() == 0) && mIsChromebook && !mIsReconnecting) {
+            Log.e(TAG, "Chromebook: Discovered services were empty; this almost certainly means the BtGatt.ContextMap bug has bitten us.");
+            mIsConnected = false;
+            mIsReconnecting = true;
+            mGatt.disconnect();
+            mGatt = connectGatt(false);
+        }
+
+        return false;
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    private void finishCurrentGattOperation() {
+        GattOperation op = null;
+        synchronized (mOperations) {
+            if (mCurrentOperation != null) {
+                op = mCurrentOperation;
+                mCurrentOperation = null;
+            }
+        }
+        if (op != null) {
+            boolean result = op.finish(); // TODO: Maybe in main thread as well?
+
+            // Our operation failed, let's add it back to the beginning of our queue.
+            if (!result) {
+                mOperations.addFirst(op);
+            }
+        }
+        executeNextGattOperation();
+    }
+
+    private void executeNextGattOperation() {
+        synchronized (mOperations) {
+            if (mCurrentOperation != null)
+                return;
+
+            if (mOperations.isEmpty())
+                return;
+
+            mCurrentOperation = mOperations.removeFirst();
+        }
+
+        // Run in main thread
+        mHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                synchronized (mOperations) {
+                    if (mCurrentOperation == null) {
+                        Log.e(TAG, "Current operation null in executor?");
+                        return;
+                    }
+
+                    mCurrentOperation.run();
+                    // now wait for the GATT callback and when it comes, finish this operation
+                }
+            }
+        });
+    }
+
+    private void queueGattOperation(GattOperation op) {
+        synchronized (mOperations) {
+            mOperations.add(op);
+        }
+        executeNextGattOperation();
+    }
+
+    private void enableNotification(UUID chrUuid) {
+        GattOperation op = HIDDeviceBLESteamController.GattOperation.enableNotification(mGatt, chrUuid);
+        queueGattOperation(op);
+    }
+
+    public void writeCharacteristic(UUID uuid, byte[] value) {
+        GattOperation op = HIDDeviceBLESteamController.GattOperation.writeCharacteristic(mGatt, uuid, value);
+        queueGattOperation(op);
+    }
+
+    public void readCharacteristic(UUID uuid) {
+        GattOperation op = HIDDeviceBLESteamController.GattOperation.readCharacteristic(mGatt, uuid);
+        queueGattOperation(op);
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////  BluetoothGattCallback overridden methods
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    public void onConnectionStateChange(BluetoothGatt g, int status, int newState) {
+        //Log.v(TAG, "onConnectionStateChange status=" + status + " newState=" + newState);
+        mIsReconnecting = false;
+        if (newState == 2) {
+            mIsConnected = true;
+            // Run directly, without GattOperation
+            if (!isRegistered()) {
+                mHandler.post(new Runnable() {
+                    @Override
+                    public void run() {
+                        mGatt.discoverServices();
+                    }
+                });
+            }
+        } 
+        else if (newState == 0) {
+            mIsConnected = false;
+        }
+
+        // Disconnection is handled in SteamLink using the ACTION_ACL_DISCONNECTED Intent.
+    }
+
+    public void onServicesDiscovered(BluetoothGatt gatt, int status) {
+        //Log.v(TAG, "onServicesDiscovered status=" + status);
+        if (status == 0) {
+            if (gatt.getServices().size() == 0) {
+                Log.v(TAG, "onServicesDiscovered returned zero services; something has gone horribly wrong down in Android's Bluetooth stack.");
+                mIsReconnecting = true;
+                mIsConnected = false;
+                gatt.disconnect();
+                mGatt = connectGatt(false);
+            }
+            else {
+                probeService(this);
+            }
+        }
+    }
+
+    public void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
+        //Log.v(TAG, "onCharacteristicRead status=" + status + " uuid=" + characteristic.getUuid());
+
+        if (characteristic.getUuid().equals(reportCharacteristic) && !mFrozen) {
+            mManager.HIDDeviceFeatureReport(getId(), characteristic.getValue());
+        }
+
+        finishCurrentGattOperation();
+    }
+
+    public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
+        //Log.v(TAG, "onCharacteristicWrite status=" + status + " uuid=" + characteristic.getUuid());
+
+        if (characteristic.getUuid().equals(reportCharacteristic)) {
+            // Only register controller with the native side once it has been fully configured
+            if (!isRegistered()) {
+                Log.v(TAG, "Registering Steam Controller with ID: " + getId());
+                mManager.HIDDeviceConnected(getId(), getIdentifier(), getVendorId(), getProductId(), getSerialNumber(), getVersion(), getManufacturerName(), getProductName(), 0);
+                setRegistered();
+            }
+        }
+
+        finishCurrentGattOperation();
+    }
+
+    public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
+    // Enable this for verbose logging of controller input reports
+        //Log.v(TAG, "onCharacteristicChanged uuid=" + characteristic.getUuid() + " data=" + HexDump.dumpHexString(characteristic.getValue()));
+
+        if (characteristic.getUuid().equals(inputCharacteristic) && !mFrozen) {
+            mManager.HIDDeviceInputReport(getId(), characteristic.getValue());
+        }
+    }
+
+    public void onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
+        //Log.v(TAG, "onDescriptorRead status=" + status);
+    }
+
+    public void onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
+        BluetoothGattCharacteristic chr = descriptor.getCharacteristic();
+        //Log.v(TAG, "onDescriptorWrite status=" + status + " uuid=" + chr.getUuid() + " descriptor=" + descriptor.getUuid());
+
+        if (chr.getUuid().equals(inputCharacteristic)) {
+            boolean hasWrittenInputDescriptor = true;
+            BluetoothGattCharacteristic reportChr = chr.getService().getCharacteristic(reportCharacteristic);
+            if (reportChr != null) {
+                Log.v(TAG, "Writing report characteristic to enter valve mode");
+                reportChr.setValue(enterValveMode);
+                gatt.writeCharacteristic(reportChr);
+            }
+        }
+
+        finishCurrentGattOperation();
+    }
+
+    public void onReliableWriteCompleted(BluetoothGatt gatt, int status) {
+        //Log.v(TAG, "onReliableWriteCompleted status=" + status);
+    }
+
+    public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
+        //Log.v(TAG, "onReadRemoteRssi status=" + status);
+    }
+
+    public void onMtuChanged(BluetoothGatt gatt, int mtu, int status) {
+        //Log.v(TAG, "onMtuChanged status=" + status);
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////// Public API
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    @Override
+    public int getId() {
+        return mDeviceId;
+    }
+
+    @Override
+    public int getVendorId() {
+        // Valve Corporation
+        final int VALVE_USB_VID = 0x28DE;
+        return VALVE_USB_VID;
+    }
+
+    @Override
+    public int getProductId() {
+        // We don't have an easy way to query from the Bluetooth device, but we know what it is
+        final int D0G_BLE2_PID = 0x1106;
+        return D0G_BLE2_PID;
+    }
+
+    @Override
+    public String getSerialNumber() {
+        // This will be read later via feature report by Steam
+        return "12345";
+    }
+
+    @Override
+    public int getVersion() {
+        return 0;
+    }
+
+    @Override
+    public String getManufacturerName() {
+        return "Valve Corporation";
+    }
+
+    @Override
+    public String getProductName() {
+        return "Steam Controller";
+    }
+
+    @Override
+    public boolean open() {
+        return true;
+    }
+
+    @Override
+    public int sendFeatureReport(byte[] report) {
+        if (!isRegistered()) {
+            Log.e(TAG, "Attempted sendFeatureReport before Steam Controller is registered!");
+            if (mIsConnected) {
+                probeService(this);
+            }
+            return -1;
+        }
+
+        // We need to skip the first byte, as that doesn't go over the air
+        byte[] actual_report = Arrays.copyOfRange(report, 1, report.length - 1);
+        //Log.v(TAG, "sendFeatureReport " + HexDump.dumpHexString(actual_report));
+        writeCharacteristic(reportCharacteristic, actual_report);
+        return report.length;
+    }
+
+    @Override
+    public int sendOutputReport(byte[] report) {
+        if (!isRegistered()) {
+            Log.e(TAG, "Attempted sendOutputReport before Steam Controller is registered!");
+            if (mIsConnected) {
+                probeService(this);
+            }
+            return -1;
+        }
+
+        //Log.v(TAG, "sendFeatureReport " + HexDump.dumpHexString(report));
+        writeCharacteristic(reportCharacteristic, report);
+        return report.length;
+    }
+
+    @Override
+    public boolean getFeatureReport(byte[] report) {
+        if (!isRegistered()) {
+            Log.e(TAG, "Attempted getFeatureReport before Steam Controller is registered!");
+            if (mIsConnected) {
+                probeService(this);
+            }
+            return false;
+        }
+
+        //Log.v(TAG, "getFeatureReport");
+        readCharacteristic(reportCharacteristic);
+        return true;
+    }
+
+    @Override
+    public void close() {
+    }
+
+    @Override
+    public void setFrozen(boolean frozen) {
+        mFrozen = frozen;
+    }
+
+    @Override
+    public void shutdown() {
+        close();
+
+        BluetoothGatt g = mGatt;
+        if (g != null) {
+            g.disconnect();
+            g.close();
+            mGatt = null;
+        }
+        mManager = null;
+        mIsRegistered = false;
+        mIsConnected = false;
+        mOperations.clear();
+    }
+
+}
+
diff --git a/build/android/app/src/main/java/org/libsdl/app/HIDDeviceManager.java b/build/android/app/src/main/java/org/libsdl/app/HIDDeviceManager.java
new file mode 100644
index 00000000..241775d4
--- /dev/null
+++ b/build/android/app/src/main/java/org/libsdl/app/HIDDeviceManager.java
@@ -0,0 +1,682 @@
+package org.libsdl.app;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.PendingIntent;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothManager;
+import android.bluetooth.BluetoothProfile;
+import android.util.Log;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.hardware.usb.*;
+import android.os.Handler;
+import android.os.Looper;
+
+import java.util.HashMap;
+import java.util.ArrayList;
+import java.util.List;
+
+public class HIDDeviceManager {
+    private static final String TAG = "hidapi";
+    private static final String ACTION_USB_PERMISSION = "org.libsdl.app.USB_PERMISSION";
+
+    private static HIDDeviceManager sManager;
+    private static int sManagerRefCount = 0;
+
+    public static HIDDeviceManager acquire(Context context) {
+        if (sManagerRefCount == 0) {
+            sManager = new HIDDeviceManager(context);
+        }
+        ++sManagerRefCount;
+        return sManager;
+    }
+
+    public static void release(HIDDeviceManager manager) {
+        if (manager == sManager) {
+            --sManagerRefCount;
+            if (sManagerRefCount == 0) {
+                sManager.close();
+                sManager = null;
+            }
+        }
+    }
+
+    private Context mContext;
+    private HashMap<Integer, HIDDevice> mDevicesById = new HashMap<Integer, HIDDevice>();
+    private HashMap<UsbDevice, HIDDeviceUSB> mUSBDevices = new HashMap<UsbDevice, HIDDeviceUSB>();
+    private HashMap<BluetoothDevice, HIDDeviceBLESteamController> mBluetoothDevices = new HashMap<BluetoothDevice, HIDDeviceBLESteamController>();
+    private int mNextDeviceId = 0;
+    private SharedPreferences mSharedPreferences = null;
+    private boolean mIsChromebook = false;
+    private UsbManager mUsbManager;
+    private Handler mHandler;
+    private BluetoothManager mBluetoothManager;
+    private List<BluetoothDevice> mLastBluetoothDevices;
+
+    private final BroadcastReceiver mUsbBroadcast = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            if (action.equals(UsbManager.ACTION_USB_DEVICE_ATTACHED)) {
+                UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+                handleUsbDeviceAttached(usbDevice);
+            } else if (action.equals(UsbManager.ACTION_USB_DEVICE_DETACHED)) {
+                UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+                handleUsbDeviceDetached(usbDevice);
+            } else if (action.equals(HIDDeviceManager.ACTION_USB_PERMISSION)) {
+                UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+                handleUsbDevicePermission(usbDevice, intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false));
+            }
+        }
+    };
+
+    private final BroadcastReceiver mBluetoothBroadcast = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            // Bluetooth device was connected. If it was a Steam Controller, handle it
+            if (action.equals(BluetoothDevice.ACTION_ACL_CONNECTED)) {
+                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+                Log.d(TAG, "Bluetooth device connected: " + device);
+
+                if (isSteamController(device)) {
+                    connectBluetoothDevice(device);
+                }
+            }
+
+            // Bluetooth device was disconnected, remove from controller manager (if any)
+            if (action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
+                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+                Log.d(TAG, "Bluetooth device disconnected: " + device);
+
+                disconnectBluetoothDevice(device);
+            }
+        }
+    };
+
+    private HIDDeviceManager(final Context context) {
+        mContext = context;
+
+        // Make sure we have the HIDAPI library loaded with the native functions
+        try {
+            SDL.loadLibrary("hidapi");
+        } catch (Throwable e) {
+            Log.w(TAG, "Couldn't load hidapi: " + e.toString());
+
+            AlertDialog.Builder builder = new AlertDialog.Builder(context);
+            builder.setCancelable(false);
+            builder.setTitle("SDL HIDAPI Error");
+            builder.setMessage("Please report the following error to the SDL maintainers: " + e.getMessage());
+            builder.setNegativeButton("Quit", new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    try {
+                        // If our context is an activity, exit rather than crashing when we can't
+                        // call our native functions.
+                        Activity activity = (Activity)context;
+        
+                        activity.finish();
+                    }
+                    catch (ClassCastException cce) {
+                        // Context wasn't an activity, there's nothing we can do.  Give up and return.
+                    }
+                }
+            });
+            builder.show();
+
+            return;
+        }
+        
+        HIDDeviceRegisterCallback();
+
+        mSharedPreferences = mContext.getSharedPreferences("hidapi", Context.MODE_PRIVATE);
+        mIsChromebook = mContext.getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
+
+//        if (shouldClear) {
+//            SharedPreferences.Editor spedit = mSharedPreferences.edit();
+//            spedit.clear();
+//            spedit.commit();
+//        }
+//        else
+        {
+            mNextDeviceId = mSharedPreferences.getInt("next_device_id", 0);
+        }
+
+        initializeUSB();
+        initializeBluetooth();
+    }
+
+    public Context getContext() {
+        return mContext;
+    }
+
+    public int getDeviceIDForIdentifier(String identifier) {
+        SharedPreferences.Editor spedit = mSharedPreferences.edit();
+
+        int result = mSharedPreferences.getInt(identifier, 0);
+        if (result == 0) {
+            result = mNextDeviceId++;
+            spedit.putInt("next_device_id", mNextDeviceId);
+        }
+
+        spedit.putInt(identifier, result);
+        spedit.commit();
+        return result;
+    }
+
+    private void initializeUSB() {
+        mUsbManager = (UsbManager)mContext.getSystemService(Context.USB_SERVICE);
+
+        /*
+        // Logging
+        for (UsbDevice device : mUsbManager.getDeviceList().values()) {
+            Log.i(TAG,"Path: " + device.getDeviceName());
+            Log.i(TAG,"Manufacturer: " + device.getManufacturerName());
+            Log.i(TAG,"Product: " + device.getProductName());
+            Log.i(TAG,"ID: " + device.getDeviceId());
+            Log.i(TAG,"Class: " + device.getDeviceClass());
+            Log.i(TAG,"Protocol: " + device.getDeviceProtocol());
+            Log.i(TAG,"Vendor ID " + device.getVendorId());
+            Log.i(TAG,"Product ID: " + device.getProductId());
+            Log.i(TAG,"Interface count: " + device.getInterfaceCount());
+            Log.i(TAG,"---------------------------------------");
+
+            // Get interface details
+            for (int index = 0; index < device.getInterfaceCount(); index++) {
+                UsbInterface mUsbInterface = device.getInterface(index);
+                Log.i(TAG,"  *****     *****");
+                Log.i(TAG,"  Interface index: " + index);
+                Log.i(TAG,"  Interface ID: " + mUsbInterface.getId());
+                Log.i(TAG,"  Interface class: " + mUsbInterface.getInterfaceClass());
+                Log.i(TAG,"  Interface subclass: " + mUsbInterface.getInterfaceSubclass());
+                Log.i(TAG,"  Interface protocol: " + mUsbInterface.getInterfaceProtocol());
+                Log.i(TAG,"  Endpoint count: " + mUsbInterface.getEndpointCount());
+
+                // Get endpoint details 
+                for (int epi = 0; epi < mUsbInterface.getEndpointCount(); epi++)
+                {
+                    UsbEndpoint mEndpoint = mUsbInterface.getEndpoint(epi);
+                    Log.i(TAG,"    ++++   ++++   ++++");
+                    Log.i(TAG,"    Endpoint index: " + epi);
+                    Log.i(TAG,"    Attributes: " + mEndpoint.getAttributes());
+                    Log.i(TAG,"    Direction: " + mEndpoint.getDirection());
+                    Log.i(TAG,"    Number: " + mEndpoint.getEndpointNumber());
+                    Log.i(TAG,"    Interval: " + mEndpoint.getInterval());
+                    Log.i(TAG,"    Packet size: " + mEndpoint.getMaxPacketSize());
+                    Log.i(TAG,"    Type: " + mEndpoint.getType());
+                }
+            }
+        }
+        Log.i(TAG," No more devices connected.");
+        */
+
+        // Register for USB broadcasts and permission completions
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
+        filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
+        filter.addAction(HIDDeviceManager.ACTION_USB_PERMISSION);
+        mContext.registerReceiver(mUsbBroadcast, filter);
+
+        for (UsbDevice usbDevice : mUsbManager.getDeviceList().values()) {
+            handleUsbDeviceAttached(usbDevice);
+        }
+    }
+
+    UsbManager getUSBManager() {
+        return mUsbManager;
+    }
+
+    private void shutdownUSB() {
+        try {
+            mContext.unregisterReceiver(mUsbBroadcast);
+        } catch (Exception e) {
+            // We may not have registered, that's okay
+        }
+    }
+
+    private boolean isHIDDeviceUSB(UsbDevice usbDevice) {
+        for (int interface_number = 0; interface_number < usbDevice.getInterfaceCount(); ++interface_number) {
+            if (isHIDDeviceInterface(usbDevice, interface_number)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private boolean isHIDDeviceInterface(UsbDevice usbDevice, int interface_number) {
+        UsbInterface usbInterface = usbDevice.getInterface(interface_number);
+        if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_HID) {
+            return true;
+        }
+        if (interface_number == 0) {
+            if (isXbox360Controller(usbDevice, usbInterface) || isXboxOneController(usbDevice, usbInterface)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private boolean isXbox360Controller(UsbDevice usbDevice, UsbInterface usbInterface) {
+        final int XB360_IFACE_SUBCLASS = 93;
+        final int XB360_IFACE_PROTOCOL = 1; // Wired only
+        final int[] SUPPORTED_VENDORS = {
+            0x0079, // GPD Win 2
+            0x044f, // Thrustmaster
+            0x045e, // Microsoft
+            0x046d, // Logitech
+            0x056e, // Elecom
+            0x06a3, // Saitek
+            0x0738, // Mad Catz
+            0x07ff, // Mad Catz
+            0x0e6f, // Unknown
+            0x0f0d, // Hori
+            0x11c9, // Nacon
+            0x12ab, // Unknown
+            0x1430, // RedOctane
+            0x146b, // BigBen
+            0x1532, // Razer Sabertooth
+            0x15e4, // Numark
+            0x162e, // Joytech
+            0x1689, // Razer Onza
+            0x1bad, // Harmonix
+            0x24c6, // PowerA
+        };
+
+        if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
+            usbInterface.getInterfaceSubclass() == XB360_IFACE_SUBCLASS &&
+            usbInterface.getInterfaceProtocol() == XB360_IFACE_PROTOCOL) {
+            int vendor_id = usbDevice.getVendorId();
+            for (int supportedVid : SUPPORTED_VENDORS) {
+                if (vendor_id == supportedVid) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    private boolean isXboxOneController(UsbDevice usbDevice, UsbInterface usbInterface) {
+        final int XB1_IFACE_SUBCLASS = 71;
+        final int XB1_IFACE_PROTOCOL = 208;
+        final int[] SUPPORTED_VENDORS = {
+            0x045e, // Microsoft
+            0x0738, // Mad Catz
+            0x0e6f, // Unknown
+            0x0f0d, // Hori
+            0x1532, // Razer Wildcat
+            0x24c6, // PowerA
+        };
+
+        if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
+            usbInterface.getInterfaceSubclass() == XB1_IFACE_SUBCLASS &&
+            usbInterface.getInterfaceProtocol() == XB1_IFACE_PROTOCOL) {
+            int vendor_id = usbDevice.getVendorId();
+            for (int supportedVid : SUPPORTED_VENDORS) {
+                if (vendor_id == supportedVid) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    private void handleUsbDeviceAttached(UsbDevice usbDevice) {
+        if (isHIDDeviceUSB(usbDevice)) {
+            connectHIDDeviceUSB(usbDevice);
+        }
+    }
+
+    private void handleUsbDeviceDetached(UsbDevice usbDevice) {
+        HIDDeviceUSB device = mUSBDevices.get(usbDevice);
+        if (device == null)
+            return;
+
+        int id = device.getId();
+        mUSBDevices.remove(usbDevice);
+        mDevicesById.remove(id);
+        device.shutdown();
+        HIDDeviceDisconnected(id);
+    }
+
+    private void handleUsbDevicePermission(UsbDevice usbDevice, boolean permission_granted) {
+        HIDDeviceUSB device = mUSBDevices.get(usbDevice);
+        if (device == null)
+            return;
+
+        boolean opened = false;
+        if (permission_granted) {
+            opened = device.open();
+        }
+        HIDDeviceOpenResult(device.getId(), opened);
+    }
+
+    private void connectHIDDeviceUSB(UsbDevice usbDevice) {
+        synchronized (this) {
+            for (int interface_number = 0; interface_number < usbDevice.getInterfaceCount(); interface_number++) {
+                if (isHIDDeviceInterface(usbDevice, interface_number)) {
+                    HIDDeviceUSB device = new HIDDeviceUSB(this, usbDevice, interface_number);
+                    int id = device.getId();
+                    mUSBDevices.put(usbDevice, device);
+                    mDevicesById.put(id, device);
+                    HIDDeviceConnected(id, device.getIdentifier(), device.getVendorId(), device.getProductId(), device.getSerialNumber(), device.getVersion(), device.getManufacturerName(), device.getProductName(), interface_number);
+                    break;
+                }
+            }
+        }
+    }
+
+    private void initializeBluetooth() {
+        Log.d(TAG, "Initializing Bluetooth");
+
+        if (mContext.getPackageManager().checkPermission(android.Manifest.permission.BLUETOOTH, mContext.getPackageName()) != PackageManager.PERMISSION_GRANTED) {
+            Log.d(TAG, "Couldn't initialize Bluetooth, missing android.permission.BLUETOOTH");
+            return;
+        }
+
+        // Find bonded bluetooth controllers and create SteamControllers for them
+        mBluetoothManager = (BluetoothManager)mContext.getSystemService(Context.BLUETOOTH_SERVICE);
+        if (mBluetoothManager == null) {
+            // This device doesn't support Bluetooth.
+            return;
+        }
+
+        BluetoothAdapter btAdapter = mBluetoothManager.getAdapter();
+        if (btAdapter == null) {
+            // This device has Bluetooth support in the codebase, but has no available adapters.
+            return;
+        }
+
+        // Get our bonded devices.
+        for (BluetoothDevice device : btAdapter.getBondedDevices()) {
+
+            Log.d(TAG, "Bluetooth device available: " + device);
+            if (isSteamController(device)) {
+                connectBluetoothDevice(device);
+            }
+
+        }
+
+        // NOTE: These don't work on Chromebooks, to my undying dismay.
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
+        filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
+        mContext.registerReceiver(mBluetoothBroadcast, filter);
+
+        if (mIsChromebook) {
+            mHandler = new Handler(Looper.getMainLooper());
+            mLastBluetoothDevices = new ArrayList<BluetoothDevice>();
+
+            // final HIDDeviceManager finalThis = this;
+            // mHandler.postDelayed(new Runnable() {
+            //     @Override
+            //     public void run() {
+            //         finalThis.chromebookConnectionHandler();
+            //     }
+            // }, 5000);
+        }
+    }
+
+    private void shutdownBluetooth() {
+        try {
+            mContext.unregisterReceiver(mBluetoothBroadcast);
+        } catch (Exception e) {
+            // We may not have registered, that's okay
+        }
+    }
+
+    // Chromebooks do not pass along ACTION_ACL_CONNECTED / ACTION_ACL_DISCONNECTED properly.
+    // This function provides a sort of dummy version of that, watching for changes in the
+    // connected devices and attempting to add controllers as things change.
+    public void chromebookConnectionHandler() {
+        if (!mIsChromebook) {
+            return;
+        }
+
+        ArrayList<BluetoothDevice> disconnected = new ArrayList<BluetoothDevice>();
+        ArrayList<BluetoothDevice> connected = new ArrayList<BluetoothDevice>();
+
+        List<BluetoothDevice> currentConnected = mBluetoothManager.getConnectedDevices(BluetoothProfile.GATT);
+
+        for (BluetoothDevice bluetoothDevice : currentConnected) {
+            if (!mLastBluetoothDevices.contains(bluetoothDevice)) {
+                connected.add(bluetoothDevice);
+            }
+        }
+        for (BluetoothDevice bluetoothDevice : mLastBluetoothDevices) {
+            if (!currentConnected.contains(bluetoothDevice)) {
+                disconnected.add(bluetoothDevice);
+            }
+        }
+
+        mLastBluetoothDevices = currentConnected;
+
+        for (BluetoothDevice bluetoothDevice : disconnected) {
+            disconnectBluetoothDevice(bluetoothDevice);
+        }
+        for (BluetoothDevice bluetoothDevice : connected) {
+            connectBluetoothDevice(bluetoothDevice);
+        }
+
+        final HIDDeviceManager finalThis = this;
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                finalThis.chromebookConnectionHandler();
+            }
+        }, 10000);
+    }
+
+    public boolean connectBluetoothDevice(BluetoothDevice bluetoothDevice) {
+        Log.v(TAG, "connectBluetoothDevice device=" + bluetoothDevice);
+        synchronized (this) {
+            if (mBluetoothDevices.containsKey(bluetoothDevice)) {
+                Log.v(TAG, "Steam controller with address " + bluetoothDevice + " already exists, attempting reconnect");
+
+                HIDDeviceBLESteamController device = mBluetoothDevices.get(bluetoothDevice);
+                device.reconnect();
+
+                return false;
+            }
+            HIDDeviceBLESteamController device = new HIDDeviceBLESteamController(this, bluetoothDevice);
+            int id = device.getId();
+            mBluetoothDevices.put(bluetoothDevice, device);
+            mDevicesById.put(id, device);
+
+            // The Steam Controller will mark itself connected once initialization is complete
+        }
+        return true;
+    }
+
+    public void disconnectBluetoothDevice(BluetoothDevice bluetoothDevice) {
+        synchronized (this) {
+            HIDDeviceBLESteamController device = mBluetoothDevices.get(bluetoothDevice);
+            if (device == null)
+                return;
+
+            int id = device.getId();
+            mBluetoothDevices.remove(bluetoothDevice);
+            mDevicesById.remove(id);
+            device.shutdown();
+            HIDDeviceDisconnected(id);
+        }
+    }
+
+    public boolean isSteamController(BluetoothDevice bluetoothDevice) {
+        // Sanity check.  If you pass in a null device, by definition it is never a Steam Controller.
+        if (bluetoothDevice == null) {
+            return false;
+        }
+
+        // If the device has no local name, we really don't want to try an equality check against it.
+        if (bluetoothDevice.getName() == null) {
+            return false;
+        }
+
+        return bluetoothDevice.getName().equals("SteamController") && ((bluetoothDevice.getType() & BluetoothDevice.DEVICE_TYPE_LE) != 0);
+    }
+
+    private void close() {
+        shutdownUSB();
+        shutdownBluetooth();
+        synchronized (this) {
+            for (HIDDevice device : mDevicesById.values()) {
+                device.shutdown();
+            }
+            mDevicesById.clear();
+            mBluetoothDevices.clear();
+            HIDDeviceReleaseCallback();
+        }
+    }
+
+    public void setFrozen(boolean frozen) {
+        synchronized (this) {
+            for (HIDDevice device : mDevicesById.values()) {
+                device.setFrozen(frozen);
+            }
+        }        
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    private HIDDevice getDevice(int id) {
+        synchronized (this) {
+            HIDDevice result = mDevicesById.get(id);
+            if (result == null) {
+                Log.v(TAG, "No device for id: " + id);
+                Log.v(TAG, "Available devices: " + mDevicesById.keySet());
+            }
+            return result;
+        }
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    ////////// JNI interface functions
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    public boolean openDevice(int deviceID) {
+        // Look to see if this is a USB device and we have permission to access it
+        for (HIDDeviceUSB device : mUSBDevices.values()) {
+            if (deviceID == device.getId()) {
+                UsbDevice usbDevice = device.getDevice();
+                if (!mUsbManager.hasPermission(usbDevice)) {
+                    HIDDeviceOpenPending(deviceID);
+                    try {
+                        mUsbManager.requestPermission(usbDevice, PendingIntent.getBroadcast(mContext, 0, new Intent(HIDDeviceManager.ACTION_USB_PERMISSION), 0));
+                    } catch (Exception e) {
+                        Log.v(TAG, "Couldn't request permission for USB device " + usbDevice);
+                        HIDDeviceOpenResult(deviceID, false);
+                    }
+                    return false;
+                }
+                break;
+            }
+        }
+
+        try {
+            Log.v(TAG, "openDevice deviceID=" + deviceID);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return false;
+            }
+
+            return device.open();
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+        return false;
+    }
+
+    public int sendOutputReport(int deviceID, byte[] report) {
+        try {
+            Log.v(TAG, "sendOutputReport deviceID=" + deviceID + " length=" + report.length);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return -1;
+            }
+
+            return device.sendOutputReport(report);
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+        return -1;
+    }
+
+    public int sendFeatureReport(int deviceID, byte[] report) {
+        try {
+            Log.v(TAG, "sendFeatureReport deviceID=" + deviceID + " length=" + report.length);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return -1;
+            }
+
+            return device.sendFeatureReport(report);
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+        return -1;
+    }
+
+    public boolean getFeatureReport(int deviceID, byte[] report) {
+        try {
+            Log.v(TAG, "getFeatureReport deviceID=" + deviceID);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return false;
+            }
+
+            return device.getFeatureReport(report);
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+        return false;
+    }
+
+    public void closeDevice(int deviceID) {
+        try {
+            Log.v(TAG, "closeDevice deviceID=" + deviceID);
+            HIDDevice device;
+            device = getDevice(deviceID);
+            if (device == null) {
+                HIDDeviceDisconnected(deviceID);
+                return;
+            }
+
+            device.close();
+        } catch (Exception e) {
+            Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+        }
+    }
+
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+    /////////////// Native methods
+    //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    private native void HIDDeviceRegisterCallback();
+    private native void HIDDeviceReleaseCallback();
+
+    native void HIDDeviceConnected(int deviceID, String identifier, int vendorId, int productId, String serial_number, int release_number, String manufacturer_string, String product_string, int interface_number);
+    native void HIDDeviceOpenPending(int deviceID);
+    native void HIDDeviceOpenResult(int deviceID, boolean opened);
+    native void HIDDeviceDisconnected(int deviceID);
+
+    native void HIDDeviceInputReport(int deviceID, byte[] report);
+    native void HIDDeviceFeatureReport(int deviceID, byte[] report);
+}
diff --git a/build/android/app/src/main/java/org/libsdl/app/HIDDeviceUSB.java b/build/android/app/src/main/java/org/libsdl/app/HIDDeviceUSB.java
new file mode 100644
index 00000000..c9fc58ec
--- /dev/null
+++ b/build/android/app/src/main/java/org/libsdl/app/HIDDeviceUSB.java
@@ -0,0 +1,307 @@
+package org.libsdl.app;
+
+import android.hardware.usb.*;
+import android.os.Build;
+import android.util.Log;
+import java.util.Arrays;
+
+class HIDDeviceUSB implements HIDDevice {
+
+    private static final String TAG = "hidapi";
+
+    protected HIDDeviceManager mManager;
+    protected UsbDevice mDevice;
+    protected int mInterface;
+    protected int mDeviceId;
+    protected UsbDeviceConnection mConnection;
+    protected UsbEndpoint mInputEndpoint;
+    protected UsbEndpoint mOutputEndpoint;
+    protected InputThread mInputThread;
+    protected boolean mRunning;
+    protected boolean mFrozen;
+
+    public HIDDeviceUSB(HIDDeviceManager manager, UsbDevice usbDevice, int interface_number) {
+        mManager = manager;
+        mDevice = usbDevice;
+        mInterface = interface_number;
+        mDeviceId = manager.getDeviceIDForIdentifier(getIdentifier());
+        mRunning = false;
+    }
+
+    public String getIdentifier() {
+        return String.format("%s/%x/%x", mDevice.getDeviceName(), mDevice.getVendorId(), mDevice.getProductId());
+    }
+
+    @Override
+    public int getId() {
+        return mDeviceId;
+    }
+
+    @Override
+    public int getVendorId() {
+        return mDevice.getVendorId();
+    }
+
+    @Override
+    public int getProductId() {
+        return mDevice.getProductId();
+    }
+
+    @Override
+    public String getSerialNumber() {
+        String result = null;
+        if (Build.VERSION.SDK_INT >= 21) {
+            result = mDevice.getSerialNumber();
+        }
+        if (result == null) {
+            result = "";
+        }
+        return result;
+    }
+
+    @Override
+    public int getVersion() {
+        return 0;
+    }
+
+    @Override
+    public String getManufacturerName() {
+        String result = null;
+        if (Build.VERSION.SDK_INT >= 21) {
+            result = mDevice.getManufacturerName();
+        }
+        if (result == null) {
+            result = String.format("%x", getVendorId());
+        }
+        return result;
+    }
+
+    @Override
+    public String getProductName() {
+        String result = null;
+        if (Build.VERSION.SDK_INT >= 21) {
+            result = mDevice.getProductName();
+        }
+        if (result == null) {
+            result = String.format("%x", getProductId());
+        }
+        return result;
+    }
+
+    public UsbDevice getDevice() {
+        return mDevice;
+    }
+
+    public String getDeviceName() {
+        return getManufacturerName() + " " + getProductName() + "(0x" + String.format("%x", getVendorId()) + "/0x" + String.format("%x", getProductId()) + ")";
+    }
+
+    @Override
+    public boolean open() {
+        mConnection = mManager.getUSBManager().openDevice(mDevice);
+        if (mConnection == null) {
+            Log.w(TAG, "Unable to open USB device " + getDeviceName());
+            return false;
+        }
+
+        // Force claim all interfaces
+        for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
+            UsbInterface iface = mDevice.getInterface(i);
+
+            if (!mConnection.claimInterface(iface, true)) {
+                Log.w(TAG, "Failed to claim interfaces on USB device " + getDeviceName());
+                close();
+                return false;
+            }
+        }
+
+        // Find the endpoints
+        UsbInterface iface = mDevice.getInterface(mInterface);
+        for (int j = 0; j < iface.getEndpointCount(); j++) {
+            UsbEndpoint endpt = iface.getEndpoint(j);
+            switch (endpt.getDirection()) {
+            case UsbConstants.USB_DIR_IN:
+                if (mInputEndpoint == null) {
+                    mInputEndpoint = endpt;
+                }
+                break;
+            case UsbConstants.USB_DIR_OUT:
+                if (mOutputEndpoint == null) {
+                    mOutputEndpoint = endpt;
+                }
+                break;
+            }
+        }
+
+        // Make sure the required endpoints were present
+        if (mInputEndpoint == null || mOutputEndpoint == null) {
+            Log.w(TAG, "Missing required endpoint on USB device " + getDeviceName());
+            close();
+            return false;
+        }
+
+        // Start listening for input
+        mRunning = true;
+        mInputThread = new InputThread();
+        mInputThread.start();
+
+        return true;
+    }
+
+    @Override
+    public int sendFeatureReport(byte[] report) {
+        int res = -1;
+        int offset = 0;
+        int length = report.length;
+        boolean skipped_report_id = false;
+        byte report_number = report[0];
+
+        if (report_number == 0x0) {
+            ++offset;
+            --length;
+            skipped_report_id = true;
+        }
+
+        res = mConnection.controlTransfer(
+            UsbConstants.USB_TYPE_CLASS | 0x01 /*RECIPIENT_INTERFACE*/ | UsbConstants.USB_DIR_OUT,
+            0x09/*HID set_report*/,
+            (3/*HID feature*/ << 8) | report_number,
+            0,
+            report, offset, length,
+            1000/*timeout millis*/);
+
+        if (res < 0) {
+            Log.w(TAG, "sendFeatureReport() returned " + res + " on device " + getDeviceName());
+            return -1;
+        }
+
+        if (skipped_report_id) {
+            ++length;
+        }
+        return length;
+    }
+
+    @Override
+    public int sendOutputReport(byte[] report) {
+        int r = mConnection.bulkTransfer(mOutputEndpoint, report, report.length, 1000);
+        if (r != report.length) {
+            Log.w(TAG, "sendOutputReport() returned " + r + " on device " + getDeviceName());
+        }
+        return r;
+    }
+
+    @Override
+    public boolean getFeatureReport(byte[] report) {
+        int res = -1;
+        int offset = 0;
+        int length = report.length;
+        boolean skipped_report_id = false;
+        byte report_number = report[0];
+
+        if (report_number == 0x0) {
+            /* Offset the return buffer by 1, so that the report ID
+               will remain in byte 0. */
+            ++offset;
+            --length;
+            skipped_report_id = true;
+        }
+
+        res = mConnection.controlTransfer(
+            UsbConstants.USB_TYPE_CLASS | 0x01 /*RECIPIENT_INTERFACE*/ | UsbConstants.USB_DIR_IN,
+            0x01/*HID get_report*/,
+            (3/*HID feature*/ << 8) | report_number,
+            0,
+            report, offset, length,
+            1000/*timeout millis*/);
+
+        if (res < 0) {
+            Log.w(TAG, "getFeatureReport() returned " + res + " on device " + getDeviceName());
+            return false;
+        }
+
+        if (skipped_report_id) {
+            ++res;
+            ++length;
+        }
+
+        byte[] data;
+        if (res == length) {
+            data = report;
+        } else {
+            data = Arrays.copyOfRange(report, 0, res);
+        }
+        mManager.HIDDeviceFeatureReport(mDeviceId, data);
+
+        return true;
+    }
+
+    @Override
+    public void close() {
+        mRunning = false;
+        if (mInputThread != null) {
+            while (mInputThread.isAlive()) {
+                mInputThread.interrupt();
+                try {
+                    mInputThread.join();
+                } catch (InterruptedException e) {
+                    // Keep trying until we're done
+                }
+            }
+            mInputThread = null;
+        }
+        if (mConnection != null) {
+            for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
+                UsbInterface iface = mDevice.getInterface(i);
+                mConnection.releaseInterface(iface);
+            }
+            mConnection.close();
+            mConnection = null;
+        }
+    }
+
+    @Override
+    public void shutdown() {
+        close();
+        mManager = null;
+    }
+
+    @Override
+    public void setFrozen(boolean frozen) {
+        mFrozen = frozen;
+    }
+
+    protected class InputThread extends Thread {
+        @Override
+        public void run() {
+            int packetSize = mInputEndpoint.getMaxPacketSize();
+            byte[] packet = new byte[packetSize];
+            while (mRunning) {
+                int r;
+                try
+                {
+                    r = mConnection.bulkTransfer(mInputEndpoint, packet, packetSize, 1000);
+                }
+                catch (Exception e)
+                {
+                    Log.v(TAG, "Exception in UsbDeviceConnection bulktransfer: " + e);
+                    break;
+                }
+                if (r < 0) {
+                    // Could be a timeout or an I/O error
+                }
+                if (r > 0) {
+                    byte[] data;
+                    if (r == packetSize) {
+                        data = packet;
+                    } else {
+                        data = Arrays.copyOfRange(packet, 0, r);
+                    }
+
+                    if (!mFrozen) {
+                        mManager.HIDDeviceInputReport(mDeviceId, data);
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/build/android/app/src/main/java/org/libsdl/app/SDL.java b/build/android/app/src/main/java/org/libsdl/app/SDL.java
new file mode 100644
index 00000000..fb7f7319
--- /dev/null
+++ b/build/android/app/src/main/java/org/libsdl/app/SDL.java
@@ -0,0 +1,84 @@
+package org.libsdl.app;
+
+import android.content.Context;
+
+import java.lang.reflect.*;
+
+/**
+    SDL library initialization
+*/
+public class SDL {
+
+    // This function should be called first and sets up the native code
+    // so it can call into the Java classes
+    public static void setupJNI() {
+        SDLActivity.nativeSetupJNI();
+        SDLAudioManager.nativeSetupJNI();
+        SDLControllerManager.nativeSetupJNI();
+    }
+
+    // This function should be called each time the activity is started
+    public static void initialize() {
+        setContext(null);
+
+        SDLActivity.initialize();
+        SDLAudioManager.initialize();
+        SDLControllerManager.initialize();
+    }
+
+    // This function stores the current activity (SDL or not)
+    public static void setContext(Context context) {
+        mContext = context;
+    }
+
+    public static Context getContext() {
+        return mContext;
+    }
+
+    public static void loadLibrary(String libraryName) throws UnsatisfiedLinkError, SecurityException, NullPointerException {
+
+        if (libraryName == null) {
+            throw new NullPointerException("No library name provided.");
+        }
+
+        try {
+            // Let's see if we have ReLinker available in the project.  This is necessary for 
+            // some projects that have huge numbers of local libraries bundled, and thus may 
+            // trip a bug in Android's native library loader which ReLinker works around.  (If
+            // loadLibrary works properly, ReLinker will simply use the normal Android method
+            // internally.)
+            //
+            // To use ReLinker, just add it as a dependency.  For more information, see 
+            // https://github.com/KeepSafe/ReLinker for ReLinker's repository.
+            //
+            Class relinkClass = mContext.getClassLoader().loadClass("com.getkeepsafe.relinker.ReLinker");
+            Class relinkListenerClass = mContext.getClassLoader().loadClass("com.getkeepsafe.relinker.ReLinker$LoadListener");
+            Class contextClass = mContext.getClassLoader().loadClass("android.content.Context");
+            Class stringClass = mContext.getClassLoader().loadClass("java.lang.String");
+
+            // Get a 'force' instance of the ReLinker, so we can ensure libraries are reinstalled if 
+            // they've changed during updates.
+            Method forceMethod = relinkClass.getDeclaredMethod("force");
+            Object relinkInstance = forceMethod.invoke(null);
+            Class relinkInstanceClass = relinkInstance.getClass();
+
+            // Actually load the library!
+            Method loadMethod = relinkInstanceClass.getDeclaredMethod("loadLibrary", contextClass, stringClass, stringClass, relinkListenerClass);
+            loadMethod.invoke(relinkInstance, mContext, libraryName, null, null);
+        }
+        catch (final Throwable e) {
+            // Fall back
+            try {
+                System.loadLibrary(libraryName);
+            }
+            catch (final UnsatisfiedLinkError ule) {
+                throw ule;
+            }
+            catch (final SecurityException se) {
+                throw se;
+            }
+        }        
+    }
+
+    protected static Context mContext;
+}
diff --git a/build/android/src/org/libsdl/app/SDLActivity.java b/build/android/app/src/main/java/org/libsdl/app/SDLActivity.java
similarity index 58%
rename from build/android/src/org/libsdl/app/SDLActivity.java
rename to build/android/app/src/main/java/org/libsdl/app/SDLActivity.java
index 27c45ed0..b40628a9 100644
--- a/build/android/src/org/libsdl/app/SDLActivity.java
+++ b/build/android/app/src/main/java/org/libsdl/app/SDLActivity.java
@@ -3,10 +3,13 @@ package org.libsdl.app;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Arrays;
+import java.util.Hashtable;
 import java.lang.reflect.Method;
+import java.lang.Math;
 
 import android.app.*;
 import android.content.*;
+import android.content.res.Configuration;
 import android.text.InputType;
 import android.view.*;
 import android.view.inputmethod.BaseInputConnection;
@@ -18,38 +21,59 @@ import android.widget.Button;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 import android.os.*;
+import android.util.DisplayMetrics;
 import android.util.Log;
 import android.util.SparseArray;
 import android.graphics.*;
 import android.graphics.drawable.Drawable;
 import android.hardware.*;
 import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ApplicationInfo;
 
 /**
     SDL Activity
 */
-public class SDLActivity extends Activity {
+public class SDLActivity extends Activity implements View.OnSystemUiVisibilityChangeListener {
     private static final String TAG = "SDL";
 
-    public static boolean mIsResumedCalled, mIsSurfaceReady, mHasFocus;
+    public static boolean mIsResumedCalled, mHasFocus;
+    public static final boolean mHasMultiWindow = (Build.VERSION.SDK_INT >= 24);
+
+    // Cursor types
+    private static final int SDL_SYSTEM_CURSOR_NONE = -1;
+    private static final int SDL_SYSTEM_CURSOR_ARROW = 0;
+    private static final int SDL_SYSTEM_CURSOR_IBEAM = 1;
+    private static final int SDL_SYSTEM_CURSOR_WAIT = 2;
+    private static final int SDL_SYSTEM_CURSOR_CROSSHAIR = 3;
+    private static final int SDL_SYSTEM_CURSOR_WAITARROW = 4;
+    private static final int SDL_SYSTEM_CURSOR_SIZENWSE = 5;
+    private static final int SDL_SYSTEM_CURSOR_SIZENESW = 6;
+    private static final int SDL_SYSTEM_CURSOR_SIZEWE = 7;
+    private static final int SDL_SYSTEM_CURSOR_SIZENS = 8;
+    private static final int SDL_SYSTEM_CURSOR_SIZEALL = 9;
+    private static final int SDL_SYSTEM_CURSOR_NO = 10;
+    private static final int SDL_SYSTEM_CURSOR_HAND = 11;
+
+    protected static final int SDL_ORIENTATION_UNKNOWN = 0;
+    protected static final int SDL_ORIENTATION_LANDSCAPE = 1;
+    protected static final int SDL_ORIENTATION_LANDSCAPE_FLIPPED = 2;
+    protected static final int SDL_ORIENTATION_PORTRAIT = 3;
+    protected static final int SDL_ORIENTATION_PORTRAIT_FLIPPED = 4;
+
+    protected static int mCurrentOrientation;
 
     // Handle the state of the native layer
     public enum NativeState {
-           INIT, RESUMED, PAUSED 
+           INIT, RESUMED, PAUSED
     }
 
     public static NativeState mNextNativeState;
     public static NativeState mCurrentNativeState;
 
-    public static boolean mExitCalledFromJava;
-
     /** If shared libraries (e.g. SDL or the native application) could not be loaded. */
     public static boolean mBrokenLibraries;
 
-    // If we want to separate mouse and touch events.
-    //  This is only toggled in native code when a hint is set!
-    public static boolean mSeparateMouseAndTouch;
-
     // Main components
     protected static SDLActivity mSingleton;
     protected static SDLSurface mSurface;
@@ -57,11 +81,29 @@ public class SDLActivity extends Activity {
     protected static boolean mScreenKeyboardShown;
     protected static ViewGroup mLayout;
     protected static SDLClipboardHandler mClipboardHandler;
-
+    protected static Hashtable<Integer, PointerIcon> mCursors;
+    protected static int mLastCursorID;
+    protected static SDLGenericMotionListener_API12 mMotionListener;
+    protected static HIDDeviceManager mHIDDeviceManager;
 
     // This is what SDL runs in. It invokes SDL_main(), eventually
     protected static Thread mSDLThread;
 
+    protected static SDLGenericMotionListener_API12 getMotionListener() {
+        if (mMotionListener == null) {
+            if (Build.VERSION.SDK_INT >= 26) {
+                mMotionListener = new SDLGenericMotionListener_API26();
+            } else
+            if (Build.VERSION.SDK_INT >= 24) {
+                mMotionListener = new SDLGenericMotionListener_API24();
+            } else {
+                mMotionListener = new SDLGenericMotionListener_API12();
+            }
+        }
+
+        return mMotionListener;
+    }
+
     /**
      * This method returns the name of the shared object with the application entry point
      * It can be overridden by derived classes.
@@ -74,7 +116,7 @@ public class SDLActivity extends Activity {
         } else {
             library = "libmain.so";
         }
-        return library;
+        return getContext().getApplicationInfo().nativeLibraryDir + "/" + library;
     }
 
     /**
@@ -95,6 +137,7 @@ public class SDLActivity extends Activity {
      */
     protected String[] getLibraries() {
         return new String[] {
+            "hidapi",
             "SDL2",
             // "SDL2_image",
             // "SDL2_mixer",
@@ -107,7 +150,7 @@ public class SDLActivity extends Activity {
     // Load the .so
     public void loadLibraries() {
        for (String lib : getLibraries()) {
-          System.loadLibrary(lib);
+          SDL.loadLibrary(lib);
        }
     }
 
@@ -129,11 +172,11 @@ public class SDLActivity extends Activity {
         mTextEdit = null;
         mLayout = null;
         mClipboardHandler = null;
+        mCursors = new Hashtable<Integer, PointerIcon>();
+        mLastCursorID = 0;
         mSDLThread = null;
-        mExitCalledFromJava = false;
         mBrokenLibraries = false;
         mIsResumedCalled = false;
-        mIsSurfaceReady = false;
         mHasFocus = true;
         mNextNativeState = NativeState.INIT;
         mCurrentNativeState = NativeState.INIT;
@@ -142,11 +185,17 @@ public class SDLActivity extends Activity {
     // Setup
     @Override
     protected void onCreate(Bundle savedInstanceState) {
-        Log.v(TAG, "Device: " + android.os.Build.DEVICE);
-        Log.v(TAG, "Model: " + android.os.Build.MODEL);
+        Log.v(TAG, "Device: " + Build.DEVICE);
+        Log.v(TAG, "Model: " + Build.MODEL);
         Log.v(TAG, "onCreate()");
         super.onCreate(savedInstanceState);
 
+        try {
+            Thread.currentThread().setName("SDLActivity");
+        } catch (Exception e) {
+            Log.v(TAG, "modify thread properties failed " + e.toString());
+        }
+
         // Load shared libraries
         String errorMsgBrokenLib = "";
         try {
@@ -163,6 +212,7 @@ public class SDLActivity extends Activity {
 
         if (mBrokenLibraries)
         {
+            mSingleton = this;
             AlertDialog.Builder dlgAlert  = new AlertDialog.Builder(this);
             dlgAlert.setMessage("An error occurred while trying to start the application. Please try again and/or reinstall."
                   + System.getProperty("line.separator")
@@ -193,12 +243,9 @@ public class SDLActivity extends Activity {
         mSingleton = this;
         SDL.setContext(this);
 
-        if (Build.VERSION.SDK_INT >= 11) {
-            mClipboardHandler = new SDLClipboardHandler_API11();
-        } else {
-            /* Before API 11, no clipboard notification (eg no SDL_CLIPBOARDUPDATE) */
-            mClipboardHandler = new SDLClipboardHandler_Old();
-        }
+        mClipboardHandler = new SDLClipboardHandler_API11();
+
+        mHIDDeviceManager = HIDDeviceManager.acquire(this);
 
         // Set up the surface
         mSurface = new SDLSurface(getApplication());
@@ -206,8 +253,17 @@ public class SDLActivity extends Activity {
         mLayout = new RelativeLayout(this);
         mLayout.addView(mSurface);
 
+        // Get our current screen orientation and pass it down.
+        mCurrentOrientation = SDLActivity.getCurrentOrientation();
+        // Only record current orientation
+        SDLActivity.onNativeOrientationChanged(mCurrentOrientation);
+
         setContentView(mLayout);
-        
+
+        setWindowStyle(false);
+
+        getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(this);
+
         // Get filename from "Open with" of another application
         Intent intent = getIntent();
         if (intent != null && intent.getData() != null) {
@@ -219,25 +275,22 @@ public class SDLActivity extends Activity {
         }
     }
 
-    // Events
-    @Override
-    protected void onPause() {
-        Log.v(TAG, "onPause()");
-        super.onPause();
+    protected void pauseNativeThread() {
         mNextNativeState = NativeState.PAUSED;
         mIsResumedCalled = false;
 
         if (SDLActivity.mBrokenLibraries) {
-           return;
+            return;
+        }
+
+        if (mHIDDeviceManager != null) {
+            mHIDDeviceManager.setFrozen(true);
         }
 
         SDLActivity.handleNativeState();
     }
 
-    @Override
-    protected void onResume() {
-        Log.v(TAG, "onResume()");
-        super.onResume();
+    protected void resumeNativeThread() {
         mNextNativeState = NativeState.RESUMED;
         mIsResumedCalled = true;
 
@@ -245,9 +298,76 @@ public class SDLActivity extends Activity {
            return;
         }
 
+        if (mHIDDeviceManager != null) {
+            mHIDDeviceManager.setFrozen(false);
+        }
+
         SDLActivity.handleNativeState();
     }
 
+    // Events
+    @Override
+    protected void onPause() {
+        Log.v(TAG, "onPause()");
+        super.onPause();
+        if (!mHasMultiWindow) {
+            pauseNativeThread();
+        }
+    }
+
+    @Override
+    protected void onResume() {
+        Log.v(TAG, "onResume()");
+        super.onResume();
+        if (!mHasMultiWindow) {
+            resumeNativeThread();
+        }
+    }
+
+    @Override
+    protected void onStop() {
+        Log.v(TAG, "onStop()");
+        super.onStop();
+        if (mHasMultiWindow) {
+            pauseNativeThread();
+        }
+    }
+
+    @Override
+    protected void onStart() {
+        Log.v(TAG, "onStart()");
+        super.onStart();
+        if (mHasMultiWindow) {
+            resumeNativeThread();
+        }
+    }
+
+    public static int getCurrentOrientation() {
+        final Context context = SDLActivity.getContext();
+        final Display display = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
+
+        int result = SDL_ORIENTATION_UNKNOWN;
+
+        switch (display.getRotation()) {
+            case Surface.ROTATION_0:
+                result = SDL_ORIENTATION_PORTRAIT;
+                break;
+
+            case Surface.ROTATION_90:
+                result = SDL_ORIENTATION_LANDSCAPE;
+                break;
+
+            case Surface.ROTATION_180:
+                result = SDL_ORIENTATION_PORTRAIT_FLIPPED;
+                break;
+
+            case Surface.ROTATION_270:
+                result = SDL_ORIENTATION_LANDSCAPE_FLIPPED;
+                break;
+        }
+
+        return result;
+    }
 
     @Override
     public void onWindowFocusChanged(boolean hasFocus) {
@@ -258,14 +378,21 @@ public class SDLActivity extends Activity {
            return;
         }
 
-        SDLActivity.mHasFocus = hasFocus;
+        mHasFocus = hasFocus;
         if (hasFocus) {
            mNextNativeState = NativeState.RESUMED;
+           SDLActivity.getMotionListener().reclaimRelativeMouseModeIfNeeded();
+
+           SDLActivity.handleNativeState();
+           nativeFocusChanged(true);
+
         } else {
-           mNextNativeState = NativeState.PAUSED;
+           nativeFocusChanged(false);
+           if (!mHasMultiWindow) {
+               mNextNativeState = NativeState.PAUSED;
+               SDLActivity.handleNativeState();
+           }
         }
-        
-        SDLActivity.handleNativeState();
     }
 
     @Override
@@ -284,36 +411,69 @@ public class SDLActivity extends Activity {
     protected void onDestroy() {
         Log.v(TAG, "onDestroy()");
 
+        if (mHIDDeviceManager != null) {
+            HIDDeviceManager.release(mHIDDeviceManager);
+            mHIDDeviceManager = null;
+        }
+
         if (SDLActivity.mBrokenLibraries) {
            super.onDestroy();
-           // Reset everything in case the user re opens the app
-           SDLActivity.initialize();
            return;
         }
 
-        mNextNativeState = NativeState.PAUSED;
-        SDLActivity.handleNativeState();
-
-        // Send a quit message to the application
-        SDLActivity.mExitCalledFromJava = true;
-        SDLActivity.nativeQuit();
-
-        // Now wait for the SDL thread to quit
         if (SDLActivity.mSDLThread != null) {
+
+            // Send Quit event to "SDLThread" thread
+            SDLActivity.nativeSendQuit();
+
+            // Wait for "SDLThread" thread to end
             try {
                 SDLActivity.mSDLThread.join();
             } catch(Exception e) {
-                Log.v(TAG, "Problem stopping thread: " + e);
+                Log.v(TAG, "Problem stopping SDLThread: " + e);
             }
-            SDLActivity.mSDLThread = null;
-
-            //Log.v(TAG, "Finished waiting for SDL thread");
         }
 
-        super.onDestroy();
+        SDLActivity.nativeQuit();
 
-        // Reset everything in case the user re opens the app
-        SDLActivity.initialize();
+        super.onDestroy();
+    }
+
+    @Override
+    public void onBackPressed() {
+        // Check if we want to block the back button in case of mouse right click.
+        //
+        // If we do, the normal hardware back button will no longer work and people have to use home,
+        // but the mouse right click will work.
+        //
+        String trapBack = SDLActivity.nativeGetHint("SDL_ANDROID_TRAP_BACK_BUTTON");
+        if ((trapBack != null) && trapBack.equals("1")) {
+            // Exit and let the mouse handler handle this button (if appropriate)
+            return;
+        }
+
+        // Default system back button behavior.
+        super.onBackPressed();
+    }
+
+    // Called by JNI from SDL.
+    public static void manualBackButton() {
+        mSingleton.pressBackButton();
+    }
+
+    // Used to get us onto the activity's main thread
+    public void pressBackButton() {
+        runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                SDLActivity.this.superOnBackPressed();
+            }
+        });
+    }
+
+    // Used to access the system back behavior.
+    public void superOnBackPressed() {
+        super.onBackPressed();
     }
 
     @Override
@@ -353,66 +513,51 @@ public class SDLActivity extends Activity {
 
         // Try a transition to paused state
         if (mNextNativeState == NativeState.PAUSED) {
-            nativePause();
-            mSurface.handlePause();
+            if (mSDLThread != null) {
+                nativePause();
+            }
+            if (mSurface != null) {
+                mSurface.handlePause();
+            }
             mCurrentNativeState = mNextNativeState;
             return;
         }
 
         // Try a transition to resumed state
         if (mNextNativeState == NativeState.RESUMED) {
-            if (mIsSurfaceReady && mHasFocus && mIsResumedCalled) {
+            if (mSurface.mIsSurfaceReady && mHasFocus && mIsResumedCalled) {
                 if (mSDLThread == null) {
                     // This is the entry point to the C app.
                     // Start up the C app thread and enable sensor input for the first time
                     // FIXME: Why aren't we enabling sensor input at start?
 
-                    final Thread sdlThread = new Thread(new SDLMain(), "SDLThread");
+                    mSDLThread = new Thread(new SDLMain(), "SDLThread");
                     mSurface.enableSensor(Sensor.TYPE_ACCELEROMETER, true);
-                    sdlThread.start();
-
-                    // Set up a listener thread to catch when the native thread ends
-                    mSDLThread = new Thread(new Runnable() {
-                        @Override
-                        public void run() {
-                            try {
-                                sdlThread.join();
-                            } catch (Exception e) {
-                                // Ignore any exception
-                            } finally {
-                                // Native thread has finished
-                                if (!mExitCalledFromJava) {
-                                    handleNativeExit();
-                                }
-                            }
-                        }
-                    }, "SDLThreadListener");
-
                     mSDLThread.start();
+
+                    // No nativeResume(), don't signal Android_ResumeSem
+                    mSurface.handleResume();
+                } else {
+                    nativeResume();
+                    mSurface.handleResume();
                 }
 
-                nativeResume();
-                mSurface.handleResume();
                 mCurrentNativeState = mNextNativeState;
             }
         }
     }
 
-    /* The native thread has finished */
-    public static void handleNativeExit() {
-        SDLActivity.mSDLThread = null;
-        mSingleton.finish();
-    }
-
-
     // Messages from the SDLMain thread
     static final int COMMAND_CHANGE_TITLE = 1;
-    static final int COMMAND_UNUSED = 2;
+    static final int COMMAND_CHANGE_WINDOW_STYLE = 2;
     static final int COMMAND_TEXTEDIT_HIDE = 3;
+    static final int COMMAND_CHANGE_SURFACEVIEW_FORMAT = 4;
     static final int COMMAND_SET_KEEP_SCREEN_ON = 5;
 
     protected static final int COMMAND_USER = 0x8000;
 
+    protected static boolean mFullscreenModeActive;
+
     /**
      * This method is called by SDL if SDL did not handle a message itself.
      * This happens if a received message contains an unsupported command.
@@ -446,6 +591,37 @@ public class SDLActivity extends Activity {
                     Log.e(TAG, "error handling message, getContext() returned no Activity");
                 }
                 break;
+            case COMMAND_CHANGE_WINDOW_STYLE:
+                if (Build.VERSION.SDK_INT < 19) {
+                    // This version of Android doesn't support the immersive fullscreen mode
+                    break;
+                }
+                if (context instanceof Activity) {
+                    Window window = ((Activity) context).getWindow();
+                    if (window != null) {
+                        if ((msg.obj instanceof Integer) && (((Integer) msg.obj).intValue() != 0)) {
+                            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN |
+                                        View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
+                                        View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY |
+                                        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
+                                        View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
+                                        View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.INVISIBLE;
+                            window.getDecorView().setSystemUiVisibility(flags);
+                            window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+                            window.clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
+                            SDLActivity.mFullscreenModeActive = true;
+                        } else {
+                            int flags = View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_VISIBLE;
+                            window.getDecorView().setSystemUiVisibility(flags);
+                            window.addFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
+                            window.clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+                            SDLActivity.mFullscreenModeActive = false;
+                        }
+                    }
+                } else {
+                    Log.e(TAG, "error handling message, getContext() returned no Activity");
+                }
+                break;
             case COMMAND_TEXTEDIT_HIDE:
                 if (mTextEdit != null) {
                     // Note: On some devices setting view to GONE creates a flicker in landscape.
@@ -455,7 +631,7 @@ public class SDLActivity extends Activity {
 
                     InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
                     imm.hideSoftInputFromWindow(mTextEdit.getWindowToken(), 0);
-                    
+
                     mScreenKeyboardShown = false;
                 }
                 break;
@@ -473,6 +649,32 @@ public class SDLActivity extends Activity {
                 }
                 break;
             }
+            case COMMAND_CHANGE_SURFACEVIEW_FORMAT:
+            {
+                int format = (Integer) msg.obj;
+                int pf;
+
+                if (SDLActivity.mSurface == null) {
+                    return;
+                }
+
+                SurfaceHolder holder = SDLActivity.mSurface.getHolder();
+                if (holder == null) {
+                    return;
+                }
+
+                if (format == 1) {
+                    pf = PixelFormat.RGBA_8888;
+                } else if (format == 2) {
+                    pf = PixelFormat.RGBX_8888;
+                } else {
+                    pf = PixelFormat.RGB_565;
+                }
+
+                holder.setFormat(pf);
+
+                break;
+            }
             default:
                 if ((context instanceof SDLActivity) && !((SDLActivity) context).onUnhandledMessage(msg.arg1, msg.obj)) {
                     Log.e(TAG, "error handling message, command is " + msg.arg1);
@@ -489,30 +691,92 @@ public class SDLActivity extends Activity {
         Message msg = commandHandler.obtainMessage();
         msg.arg1 = command;
         msg.obj = data;
-        return commandHandler.sendMessage(msg);
+        boolean result = commandHandler.sendMessage(msg);
+
+        if ((Build.VERSION.SDK_INT >= 19) && (command == COMMAND_CHANGE_WINDOW_STYLE)) {
+            // Ensure we don't return until the resize has actually happened,
+            // or 500ms have passed.
+
+            boolean bShouldWait = false;
+
+            if (data instanceof Integer) {
+                // Let's figure out if we're already laid out fullscreen or not.
+                Display display = ((WindowManager)getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
+                android.util.DisplayMetrics realMetrics = new android.util.DisplayMetrics();
+                display.getRealMetrics( realMetrics );
+
+                boolean bFullscreenLayout = ((realMetrics.widthPixels == mSurface.getWidth()) &&
+                                             (realMetrics.heightPixels == mSurface.getHeight()));
+
+                if (((Integer)data).intValue() == 1) {
+                    // If we aren't laid out fullscreen or actively in fullscreen mode already, we're going
+                    // to change size and should wait for surfaceChanged() before we return, so the size
+                    // is right back in native code.  If we're already laid out fullscreen, though, we're
+                    // not going to change size even if we change decor modes, so we shouldn't wait for
+                    // surfaceChanged() -- which may not even happen -- and should return immediately.
+                    bShouldWait = !bFullscreenLayout;
+                }
+                else {
+                    // If we're laid out fullscreen (even if the status bar and nav bar are present),
+                    // or are actively in fullscreen, we're going to change size and should wait for
+                    // surfaceChanged before we return, so the size is right back in native code.
+                    bShouldWait = bFullscreenLayout;
+                }
+            }
+
+            if (bShouldWait) {
+                // We'll wait for the surfaceChanged() method, which will notify us
+                // when called.  That way, we know our current size is really the
+                // size we need, instead of grabbing a size that's still got
+                // the navigation and/or status bars before they're hidden.
+                //
+                // We'll wait for up to half a second, because some devices
+                // take a surprisingly long time for the surface resize, but
+                // then we'll just give up and return.
+                //
+                synchronized(SDLActivity.getContext()) {
+                    try {
+                        SDLActivity.getContext().wait(500);
+                    }
+                    catch (InterruptedException ie) {
+                        ie.printStackTrace();
+                    }
+                }
+            }
+        }
+
+        return result;
     }
 
     // C functions we call
     public static native int nativeSetupJNI();
     public static native int nativeRunMain(String library, String function, Object arguments);
     public static native void nativeLowMemory();
+    public static native void nativeSendQuit();
     public static native void nativeQuit();
     public static native void nativePause();
     public static native void nativeResume();
+    public static native void nativeFocusChanged(boolean hasFocus);
     public static native void onNativeDropFile(String filename);
-    public static native void onNativeResize(int x, int y, int format, float rate);
+    public static native void nativeSetScreenResolution(int surfaceWidth, int surfaceHeight, int deviceWidth, int deviceHeight, int format, float rate);
+    public static native void onNativeResize();
     public static native void onNativeKeyDown(int keycode);
     public static native void onNativeKeyUp(int keycode);
+    public static native boolean onNativeSoftReturnKey();
     public static native void onNativeKeyboardFocusLost();
-    public static native void onNativeMouse(int button, int action, float x, float y);
+    public static native void onNativeMouse(int button, int action, float x, float y, boolean relative);
     public static native void onNativeTouch(int touchDevId, int pointerFingerId,
                                             int action, float x,
                                             float y, float p);
     public static native void onNativeAccel(float x, float y, float z);
     public static native void onNativeClipboardChanged();
+    public static native void onNativeSurfaceCreated();
     public static native void onNativeSurfaceChanged();
     public static native void onNativeSurfaceDestroyed();
     public static native String nativeGetHint(String name);
+    public static native void nativeSetenv(String name, String value);
+    public static native void onNativeOrientationChanged(int orientation);
+    public static native void nativeAddTouch(int touchId, String name);
 
     /**
      * This method is called by SDL using JNI.
@@ -522,10 +786,18 @@ public class SDLActivity extends Activity {
         return mSingleton.sendCommand(COMMAND_CHANGE_TITLE, title);
     }
 
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void setWindowStyle(boolean fullscreen) {
+        // Called from SDLMain() thread and can't directly affect the view
+        mSingleton.sendCommand(COMMAND_CHANGE_WINDOW_STYLE, fullscreen ? 1 : 0);
+    }
+
     /**
      * This method is called by SDL using JNI.
      * This is a static method for JNI convenience, it calls a non-static method
-     * so that is can be overridden  
+     * so that is can be overridden
      */
     public static void setOrientation(int w, int h, boolean resizable, String hint)
     {
@@ -533,54 +805,90 @@ public class SDLActivity extends Activity {
             mSingleton.setOrientationBis(w, h, resizable, hint);
         }
     }
-   
+
     /**
      * This can be overridden
      */
-    public void setOrientationBis(int w, int h, boolean resizable, String hint) 
+    public void setOrientationBis(int w, int h, boolean resizable, String hint)
     {
-      int orientation = -1;
+        int orientation = -1;
 
-      if (hint != "") {
-         if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft")) {
+        if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft")) {
             orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
-         } else if (hint.contains("LandscapeRight")) {
+        } else if (hint.contains("LandscapeRight")) {
             orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
-         } else if (hint.contains("LandscapeLeft")) {
+        } else if (hint.contains("LandscapeLeft")) {
             orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
-         } else if (hint.contains("Portrait") && hint.contains("PortraitUpsideDown")) {
+        } else if (hint.contains("Portrait") && hint.contains("PortraitUpsideDown")) {
             orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
-         } else if (hint.contains("Portrait")) {
+        } else if (hint.contains("Portrait")) {
             orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
-         } else if (hint.contains("PortraitUpsideDown")) {
+        } else if (hint.contains("PortraitUpsideDown")) {
             orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
-         }
-      }
+        }
 
-      /* no valid hint */
-      if (orientation == -1) {
-         if (resizable) {
-            /* no fixed orientation */
-         } else {
-            if (w > h) {
-               orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
+        /* no valid hint */
+        if (orientation == -1) {
+            if (resizable) {
+                /* no fixed orientation */
             } else {
-               orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
+                if (w > h) {
+                    orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
+                } else {
+                    orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
+                }
             }
-         }
-      }
+        }
 
-      Log.v("SDL", "setOrientation() orientation=" + orientation + " width=" + w +" height="+ h +" resizable=" + resizable + " hint=" + hint);
-      if (orientation != -1) {
-         mSingleton.setRequestedOrientation(orientation);
-      }
+        Log.v("SDL", "setOrientation() orientation=" + orientation + " width=" + w +" height="+ h +" resizable=" + resizable + " hint=" + hint);
+        if (orientation != -1) {
+            mSingleton.setRequestedOrientation(orientation);
+        }
     }
 
-
     /**
      * This method is called by SDL using JNI.
      */
-    public static boolean isScreenKeyboardShown() 
+    public static void minimizeWindow() {
+
+        if (mSingleton == null) {
+            return;
+        }
+
+        Intent startMain = new Intent(Intent.ACTION_MAIN);
+        startMain.addCategory(Intent.CATEGORY_HOME);
+        startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        mSingleton.startActivity(startMain);
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean shouldMinimizeOnFocusLoss() {
+/*
+        if (Build.VERSION.SDK_INT >= 24) {
+            if (mSingleton == null) {
+                return true;
+            }
+
+            if (mSingleton.isInMultiWindowMode()) {
+                return false;
+            }
+
+            if (mSingleton.isInPictureInPictureMode()) {
+                return false;
+            }
+        }
+
+        return true;
+*/
+        return false;
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean isScreenKeyboardShown()
     {
         if (mTextEdit == null) {
             return false;
@@ -595,6 +903,42 @@ public class SDLActivity extends Activity {
 
     }
 
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean supportsRelativeMouse()
+    {
+        // ChromeOS doesn't provide relative mouse motion via the Android 7 APIs
+        if (isChromebook()) {
+            return false;
+        }
+
+        // DeX mode in Samsung Experience 9.0 and earlier doesn't support relative mice properly under
+        // Android 7 APIs, and simply returns no data under Android 8 APIs.
+        //
+        // This is fixed in Samsung Experience 9.5, which corresponds to Android 8.1.0, and
+        // thus SDK version 27.  If we are in DeX mode and not API 27 or higher, as a result,
+        // we should stick to relative mode.
+        //
+        if ((Build.VERSION.SDK_INT < 27) && isDeXMode()) {
+            return false;
+        }
+
+        return SDLActivity.getMotionListener().supportsRelativeMouse();
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean setRelativeMouseEnabled(boolean enabled)
+    {
+        if (enabled && !supportsRelativeMouse()) {
+            return false;
+        }
+
+        return SDLActivity.getMotionListener().setRelativeMouseEnabled(enabled);
+    }
+
     /**
      * This method is called by SDL using JNI.
      */
@@ -612,6 +956,104 @@ public class SDLActivity extends Activity {
         return SDL.getContext();
     }
 
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean isAndroidTV() {
+        UiModeManager uiModeManager = (UiModeManager) getContext().getSystemService(UI_MODE_SERVICE);
+        if (uiModeManager.getCurrentModeType() == Configuration.UI_MODE_TYPE_TELEVISION) {
+            return true;
+        }
+        if (Build.MANUFACTURER.equals("MINIX") && Build.MODEL.equals("NEO-U1")) {
+            return true;
+        }
+        if (Build.MANUFACTURER.equals("Amlogic") && Build.MODEL.equals("X96-W")) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean isTablet() {
+        DisplayMetrics metrics = new DisplayMetrics();
+        Activity activity = (Activity)getContext();
+        activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
+
+        double dWidthInches = metrics.widthPixels / (double)metrics.xdpi;
+        double dHeightInches = metrics.heightPixels / (double)metrics.ydpi;
+
+        double dDiagonal = Math.sqrt((dWidthInches * dWidthInches) + (dHeightInches * dHeightInches));
+
+        // If our diagonal size is seven inches or greater, we consider ourselves a tablet.
+        return (dDiagonal >= 7.0);
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean isChromebook() {
+        return getContext().getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean isDeXMode() {
+        if (Build.VERSION.SDK_INT < 24) {
+            return false;
+        }
+        try {
+            final Configuration config = getContext().getResources().getConfiguration();
+            final Class configClass = config.getClass();
+            return configClass.getField("SEM_DESKTOP_MODE_ENABLED").getInt(configClass)
+                    == configClass.getField("semDesktopModeEnabled").getInt(config);
+        } catch(Exception ignored) {
+            return false;
+        }
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static DisplayMetrics getDisplayDPI() {
+        return getContext().getResources().getDisplayMetrics();
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean getManifestEnvironmentVariables() {
+        try {
+            ApplicationInfo applicationInfo = getContext().getPackageManager().getApplicationInfo(getContext().getPackageName(), PackageManager.GET_META_DATA);
+            Bundle bundle = applicationInfo.metaData;
+            if (bundle == null) {
+                return false;
+            }
+            String prefix = "SDL_ENV.";
+            final int trimLength = prefix.length();
+            for (String key : bundle.keySet()) {
+                if (key.startsWith(prefix)) {
+                    String name = key.substring(trimLength);
+                    String value = bundle.get(key).toString();
+                    nativeSetenv(name, value);
+                }
+            }
+            /* environment variables set! */
+            return true;
+        } catch (Exception e) {
+           Log.v("SDL", "exception " + e.toString());
+        }
+        return false;
+    }
+
+    // This method is called by SDLControllerManager's API 26 Generic Motion Handler.
+    public static View getContentView()
+    {
+        return mSingleton.mLayout;
+    }
+
     static class ShowTextInputTask implements Runnable {
         /*
          * This is used to regulate the pan&scan method to have some offset from
@@ -627,6 +1069,14 @@ public class SDLActivity extends Activity {
             this.y = y;
             this.w = w;
             this.h = h;
+
+            /* Minimum size of 1 pixel, so it takes focus. */
+            if (this.w <= 0) {
+                this.w = 1;
+            }
+            if (this.h + HEIGHT_PADDING <= 0) {
+                this.h = 1 - HEIGHT_PADDING;
+            }
         }
 
         @Override
@@ -662,12 +1112,10 @@ public class SDLActivity extends Activity {
     }
 
     public static boolean isTextInputEvent(KeyEvent event) {
-      
+
         // Key pressed with Ctrl should be sent as SDL_KEYDOWN/SDL_KEYUP and not SDL_TEXTINPUT
-        if (android.os.Build.VERSION.SDK_INT >= 11) {
-            if (event.isCtrlPressed()) {
-                return false;
-            }  
+        if (event.isCtrlPressed()) {
+            return false;
         }
 
         return event.isPrintingKey() || event.getKeyCode() == KeyEvent.KEYCODE_SPACE;
@@ -683,23 +1131,28 @@ public class SDLActivity extends Activity {
         return SDLActivity.mSurface.getNativeSurface();
     }
 
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void setSurfaceViewFormat(int format) {
+        mSingleton.sendCommand(COMMAND_CHANGE_SURFACEVIEW_FORMAT, format);
+        return;
+    }
+
     // Input
 
     /**
      * This method is called by SDL using JNI.
-     * @return an array which may be empty but is never null.
      */
-    public static int[] inputGetInputDeviceIds(int sources) {
+    public static void initTouch() {
         int[] ids = InputDevice.getDeviceIds();
-        int[] filtered = new int[ids.length];
-        int used = 0;
+
         for (int i = 0; i < ids.length; ++i) {
             InputDevice device = InputDevice.getDevice(ids[i]);
-            if ((device != null) && ((device.getSources() & sources) != 0)) {
-                filtered[used++] = device.getId();
+            if (device != null && (device.getSources() & InputDevice.SOURCE_TOUCHSCREEN) != 0) {
+                nativeAddTouch(device.getId(), device.getName());
             }
         }
-        return Arrays.copyOf(filtered, used);
     }
 
     // APK expansion files support
@@ -977,13 +1430,39 @@ public class SDLActivity extends Activity {
         return dialog;
     }
 
+    private final Runnable rehideSystemUi = new Runnable() {
+        @Override
+        public void run() {
+            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN |
+                        View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
+                        View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY |
+                        View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
+                        View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
+                        View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.INVISIBLE;
+
+            SDLActivity.this.getWindow().getDecorView().setSystemUiVisibility(flags);
+        }
+    };
+
+    public void onSystemUiVisibilityChange(int visibility) {
+        if (SDLActivity.mFullscreenModeActive && ((visibility & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0 || (visibility & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0)) {
+
+            Handler handler = getWindow().getDecorView().getHandler();
+            if (handler != null) {
+                handler.removeCallbacks(rehideSystemUi); // Prevent a hide loop.
+                handler.postDelayed(rehideSystemUi, 2000);
+            }
+
+        }
+    }
+
     /**
      * This method is called by SDL using JNI.
      */
     public static boolean clipboardHasText() {
         return mClipboardHandler.clipboardHasText();
     }
-    
+
     /**
      * This method is called by SDL using JNI.
      */
@@ -998,6 +1477,94 @@ public class SDLActivity extends Activity {
         mClipboardHandler.clipboardSetText(string);
     }
 
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static int createCustomCursor(int[] colors, int width, int height, int hotSpotX, int hotSpotY) {
+        Bitmap bitmap = Bitmap.createBitmap(colors, width, height, Bitmap.Config.ARGB_8888);
+        ++mLastCursorID;
+
+        if (Build.VERSION.SDK_INT >= 24) {
+            try {
+                mCursors.put(mLastCursorID, PointerIcon.create(bitmap, hotSpotX, hotSpotY));
+            } catch (Exception e) {
+                return 0;
+            }
+        } else {
+            return 0;
+        }
+        return mLastCursorID;
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean setCustomCursor(int cursorID) {
+
+        if (Build.VERSION.SDK_INT >= 24) {
+            try {
+                mSurface.setPointerIcon(mCursors.get(cursorID));
+            } catch (Exception e) {
+                return false;
+            }
+        } else {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean setSystemCursor(int cursorID) {
+        int cursor_type = 0; //PointerIcon.TYPE_NULL;
+        switch (cursorID) {
+        case SDL_SYSTEM_CURSOR_ARROW:
+            cursor_type = 1000; //PointerIcon.TYPE_ARROW;
+            break;
+        case SDL_SYSTEM_CURSOR_IBEAM:
+            cursor_type = 1008; //PointerIcon.TYPE_TEXT;
+            break;
+        case SDL_SYSTEM_CURSOR_WAIT:
+            cursor_type = 1004; //PointerIcon.TYPE_WAIT;
+            break;
+        case SDL_SYSTEM_CURSOR_CROSSHAIR:
+            cursor_type = 1007; //PointerIcon.TYPE_CROSSHAIR;
+            break;
+        case SDL_SYSTEM_CURSOR_WAITARROW:
+            cursor_type = 1004; //PointerIcon.TYPE_WAIT;
+            break;
+        case SDL_SYSTEM_CURSOR_SIZENWSE:
+            cursor_type = 1017; //PointerIcon.TYPE_TOP_LEFT_DIAGONAL_DOUBLE_ARROW;
+            break;
+        case SDL_SYSTEM_CURSOR_SIZENESW:
+            cursor_type = 1016; //PointerIcon.TYPE_TOP_RIGHT_DIAGONAL_DOUBLE_ARROW;
+            break;
+        case SDL_SYSTEM_CURSOR_SIZEWE:
+            cursor_type = 1014; //PointerIcon.TYPE_HORIZONTAL_DOUBLE_ARROW;
+            break;
+        case SDL_SYSTEM_CURSOR_SIZENS:
+            cursor_type = 1015; //PointerIcon.TYPE_VERTICAL_DOUBLE_ARROW;
+            break;
+        case SDL_SYSTEM_CURSOR_SIZEALL:
+            cursor_type = 1020; //PointerIcon.TYPE_GRAB;
+            break;
+        case SDL_SYSTEM_CURSOR_NO:
+            cursor_type = 1012; //PointerIcon.TYPE_NO_DROP;
+            break;
+        case SDL_SYSTEM_CURSOR_HAND:
+            cursor_type = 1002; //PointerIcon.TYPE_HAND;
+            break;
+        }
+        if (Build.VERSION.SDK_INT >= 24) {
+            try {
+                mSurface.setPointerIcon(PointerIcon.getSystemIcon(SDL.getContext(), cursor_type));
+            } catch (Exception e) {
+                return false;
+            }
+        }
+        return true;
+    }
 }
 
 /**
@@ -1011,10 +1578,25 @@ class SDLMain implements Runnable {
         String function = SDLActivity.mSingleton.getMainFunction();
         String[] arguments = SDLActivity.mSingleton.getArguments();
 
+        try {
+            android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_DISPLAY);
+        } catch (Exception e) {
+            Log.v("SDL", "modify thread properties failed " + e.toString());
+        }
+
         Log.v("SDL", "Running main function " + function + " from library " + library);
+
         SDLActivity.nativeRunMain(library, function, arguments);
 
         Log.v("SDL", "Finished main function");
+
+        if (SDLActivity.mSingleton.isFinishing()) {
+            // Activity is already being destroyed
+        } else {
+            // Let's finish the Activity
+            SDLActivity.mSDLThread = null;
+            SDLActivity.mSingleton.finish();
+        }
     }
 }
 
@@ -1029,11 +1611,14 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
     View.OnKeyListener, View.OnTouchListener, SensorEventListener  {
 
     // Sensors
-    protected static SensorManager mSensorManager;
-    protected static Display mDisplay;
+    protected SensorManager mSensorManager;
+    protected Display mDisplay;
 
     // Keep track of the surface size to normalize touch events
-    protected static float mWidth, mHeight;
+    protected float mWidth, mHeight;
+
+    // Is SurfaceView ready for rendering
+    public boolean mIsSurfaceReady;
 
     // Startup
     public SDLSurface(Context context) {
@@ -1049,13 +1634,13 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
         mDisplay = ((WindowManager)context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
         mSensorManager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
 
-        if (Build.VERSION.SDK_INT >= 12) {
-            setOnGenericMotionListener(new SDLGenericMotionListener_API12());
-        }
+        setOnGenericMotionListener(SDLActivity.getMotionListener());
 
         // Some arbitrary defaults to avoid a potential division by zero
         mWidth = 1.0f;
         mHeight = 1.0f;
+
+        mIsSurfaceReady = false;
     }
 
     public void handlePause() {
@@ -1079,7 +1664,7 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
     @Override
     public void surfaceCreated(SurfaceHolder holder) {
         Log.v("SDL", "surfaceCreated()");
-        holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
+        SDLActivity.onNativeSurfaceCreated();
     }
 
     // Called when we lose the surface
@@ -1091,7 +1676,7 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
         SDLActivity.mNextNativeState = SDLActivity.NativeState.PAUSED;
         SDLActivity.handleNativeState();
 
-        SDLActivity.mIsSurfaceReady = false;
+        mIsSurfaceReady = false;
         SDLActivity.onNativeSurfaceDestroyed();
     }
 
@@ -1101,25 +1686,12 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
                                int format, int width, int height) {
         Log.v("SDL", "surfaceChanged()");
 
+        if (SDLActivity.mSingleton == null) {
+            return;
+        }
+
         int sdlFormat = 0x15151002; // SDL_PIXELFORMAT_RGB565 by default
         switch (format) {
-        case PixelFormat.A_8:
-            Log.v("SDL", "pixel format A_8");
-            break;
-        case PixelFormat.LA_88:
-            Log.v("SDL", "pixel format LA_88");
-            break;
-        case PixelFormat.L_8:
-            Log.v("SDL", "pixel format L_8");
-            break;
-        case PixelFormat.RGBA_4444:
-            Log.v("SDL", "pixel format RGBA_4444");
-            sdlFormat = 0x15421002; // SDL_PIXELFORMAT_RGBA4444
-            break;
-        case PixelFormat.RGBA_5551:
-            Log.v("SDL", "pixel format RGBA_5551");
-            sdlFormat = 0x15441002; // SDL_PIXELFORMAT_RGBA5551
-            break;
         case PixelFormat.RGBA_8888:
             Log.v("SDL", "pixel format RGBA_8888");
             sdlFormat = 0x16462004; // SDL_PIXELFORMAT_RGBA8888
@@ -1128,10 +1700,6 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
             Log.v("SDL", "pixel format RGBX_8888");
             sdlFormat = 0x16261804; // SDL_PIXELFORMAT_RGBX8888
             break;
-        case PixelFormat.RGB_332:
-            Log.v("SDL", "pixel format RGB_332");
-            sdlFormat = 0x14110801; // SDL_PIXELFORMAT_RGB332
-            break;
         case PixelFormat.RGB_565:
             Log.v("SDL", "pixel format RGB_565");
             sdlFormat = 0x15151002; // SDL_PIXELFORMAT_RGB565
@@ -1148,10 +1716,31 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
 
         mWidth = width;
         mHeight = height;
-        SDLActivity.onNativeResize(width, height, sdlFormat, mDisplay.getRefreshRate());
-        Log.v("SDL", "Window size: " + width + "x" + height);
+        int nDeviceWidth = width;
+        int nDeviceHeight = height;
+        try
+        {
+            if (Build.VERSION.SDK_INT >= 17) {
+                android.util.DisplayMetrics realMetrics = new android.util.DisplayMetrics();
+                mDisplay.getRealMetrics( realMetrics );
+                nDeviceWidth = realMetrics.widthPixels;
+                nDeviceHeight = realMetrics.heightPixels;
+            }
+        }
+        catch ( java.lang.Throwable throwable ) {}
 
- 
+        synchronized(SDLActivity.getContext()) {
+            // In case we're waiting on a size change after going fullscreen, send a notification.
+            SDLActivity.getContext().notifyAll();
+        }
+
+        Log.v("SDL", "Window size: " + width + "x" + height);
+        Log.v("SDL", "Device size: " + nDeviceWidth + "x" + nDeviceHeight);
+        SDLActivity.nativeSetScreenResolution(width, height, nDeviceWidth, nDeviceHeight, sdlFormat, mDisplay.getRefreshRate());
+        SDLActivity.onNativeResize();
+
+        // Prevent a screen distortion glitch,
+        // for instance when the device is in Landscape and a Portrait App is resumed.
         boolean skip = false;
         int requestedOrientation = SDLActivity.mSingleton.getRequestedOrientation();
 
@@ -1174,31 +1763,46 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
         if (skip) {
            double min = Math.min(mWidth, mHeight);
            double max = Math.max(mWidth, mHeight);
-           
+
            if (max / min < 1.20) {
               Log.v("SDL", "Don't skip on such aspect-ratio. Could be a square resolution.");
               skip = false;
            }
         }
 
+        // Don't skip in MultiWindow.
+        if (skip) {
+            if (Build.VERSION.SDK_INT >= 24) {
+                if (SDLActivity.mSingleton.isInMultiWindowMode()) {
+                    Log.v("SDL", "Don't skip in Multi-Window");
+                    skip = false;
+                }
+            }
+        }
+
         if (skip) {
            Log.v("SDL", "Skip .. Surface is not ready.");
-           SDLActivity.mIsSurfaceReady = false;
+           mIsSurfaceReady = false;
            return;
         }
-        
-        /* Surface is ready */
-        SDLActivity.mIsSurfaceReady = true;
 
         /* If the surface has been previously destroyed by onNativeSurfaceDestroyed, recreate it here */
         SDLActivity.onNativeSurfaceChanged();
 
+        /* Surface is ready */
+        mIsSurfaceReady = true;
+
+        SDLActivity.mNextNativeState = SDLActivity.NativeState.RESUMED;
         SDLActivity.handleNativeState();
     }
 
     // Key events
     @Override
     public boolean onKey(View  v, int keyCode, KeyEvent event) {
+
+        int deviceId = event.getDeviceId();
+        int source = event.getSource();
+
         // Dispatch the different events depending on where they come from
         // Some SOURCE_JOYSTICK, SOURCE_DPAD or SOURCE_GAMEPAD are also SOURCE_KEYBOARD
         // So, we try to process them as JOYSTICK/DPAD/GAMEPAD events first, if that fails we try them as KEYBOARD
@@ -1206,22 +1810,30 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
         // Furthermore, it's possible a game controller has SOURCE_KEYBOARD and
         // SOURCE_JOYSTICK, while its key events arrive from the keyboard source
         // So, retrieve the device itself and check all of its sources
-        if (SDLControllerManager.isDeviceSDLJoystick(event.getDeviceId())) {
+        if (SDLControllerManager.isDeviceSDLJoystick(deviceId)) {
             // Note that we process events with specific key codes here
             if (event.getAction() == KeyEvent.ACTION_DOWN) {
-                if (SDLControllerManager.onNativePadDown(event.getDeviceId(), keyCode) == 0) {
+                if (SDLControllerManager.onNativePadDown(deviceId, keyCode) == 0) {
                     return true;
                 }
             } else if (event.getAction() == KeyEvent.ACTION_UP) {
-                if (SDLControllerManager.onNativePadUp(event.getDeviceId(), keyCode) == 0) {
+                if (SDLControllerManager.onNativePadUp(deviceId, keyCode) == 0) {
                     return true;
                 }
             }
         }
 
-        if ((event.getSource() & InputDevice.SOURCE_KEYBOARD) != 0) {
+        if (source == InputDevice.SOURCE_UNKNOWN) {
+            InputDevice device = InputDevice.getDevice(deviceId);
+            source = device.getSources();
+        }
+
+        if ((source & InputDevice.SOURCE_KEYBOARD) != 0) {
             if (event.getAction() == KeyEvent.ACTION_DOWN) {
                 //Log.v("SDL", "key down: " + keyCode);
+                if (SDLActivity.isTextInputEvent(event)) {
+                    SDLInputConnection.nativeCommitText(String.valueOf((char) event.getUnicodeChar()), 1);
+                }
                 SDLActivity.onNativeKeyDown(keyCode);
                 return true;
             }
@@ -1232,7 +1844,7 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
             }
         }
 
-        if ((event.getSource() & InputDevice.SOURCE_MOUSE) != 0) {
+        if ((source & InputDevice.SOURCE_MOUSE) != 0) {
             // on some devices key events are sent for mouse BUTTON_BACK/FORWARD presses
             // they are ignored here because sending them as mouse input to SDL is messy
             if ((keyCode == KeyEvent.KEYCODE_BACK) || (keyCode == KeyEvent.KEYCODE_FORWARD)) {
@@ -1261,18 +1873,23 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
         int i = -1;
         float x,y,p;
 
-        // !!! FIXME: dump this SDK check after 2.0.4 ships and require API14.
-        if (event.getSource() == InputDevice.SOURCE_MOUSE && SDLActivity.mSeparateMouseAndTouch) {
-            if (Build.VERSION.SDK_INT < 14) {
-                mouseButton = 1; // all mouse buttons are the left button
-            } else {
-                try {
-                    mouseButton = (Integer) event.getClass().getMethod("getButtonState").invoke(event);
-                } catch(Exception e) {
-                    mouseButton = 1;    // oh well.
-                }
+        // 12290 = Samsung DeX mode desktop mouse
+        // 12290 = 0x3002 = 0x2002 | 0x1002 = SOURCE_MOUSE | SOURCE_TOUCHSCREEN
+        // 0x2   = SOURCE_CLASS_POINTER
+        if (event.getSource() == InputDevice.SOURCE_MOUSE || event.getSource() == (InputDevice.SOURCE_MOUSE | InputDevice.SOURCE_TOUCHSCREEN)) {
+            try {
+                mouseButton = (Integer) event.getClass().getMethod("getButtonState").invoke(event);
+            } catch(Exception e) {
+                mouseButton = 1;    // oh well.
             }
-            SDLActivity.onNativeMouse(mouseButton, action, event.getX(0), event.getY(0));
+
+            // We need to check if we're in relative mouse mode and get the axis offset rather than the x/y values
+            // if we are.  We'll leverage our existing mouse motion listener
+            SDLGenericMotionListener_API12 motionListener = SDLActivity.getMotionListener();
+            x = motionListener.getEventX(event);
+            y = motionListener.getEventY(event);
+
+            SDLActivity.onNativeMouse(mouseButton, action, x, y, motionListener.inRelativeMode());
         } else {
             switch(action) {
                 case MotionEvent.ACTION_MOVE:
@@ -1357,30 +1974,90 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
     @Override
     public void onSensorChanged(SensorEvent event) {
         if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
+
+            // Since we may have an orientation set, we won't receive onConfigurationChanged events.
+            // We thus should check here.
+            int newOrientation = SDLActivity.SDL_ORIENTATION_UNKNOWN;
+
             float x, y;
             switch (mDisplay.getRotation()) {
                 case Surface.ROTATION_90:
                     x = -event.values[1];
                     y = event.values[0];
+                    newOrientation = SDLActivity.SDL_ORIENTATION_LANDSCAPE;
                     break;
                 case Surface.ROTATION_270:
                     x = event.values[1];
                     y = -event.values[0];
+                    newOrientation = SDLActivity.SDL_ORIENTATION_LANDSCAPE_FLIPPED;
                     break;
                 case Surface.ROTATION_180:
-                    x = -event.values[1];
-                    y = -event.values[0];
+                    x = -event.values[0];
+                    y = -event.values[1];
+                    newOrientation = SDLActivity.SDL_ORIENTATION_PORTRAIT_FLIPPED;
                     break;
                 default:
                     x = event.values[0];
                     y = event.values[1];
+                    newOrientation = SDLActivity.SDL_ORIENTATION_PORTRAIT;
                     break;
             }
+
+            if (newOrientation != SDLActivity.mCurrentOrientation) {
+                SDLActivity.mCurrentOrientation = newOrientation;
+                SDLActivity.onNativeOrientationChanged(newOrientation);
+            }
+
             SDLActivity.onNativeAccel(-x / SensorManager.GRAVITY_EARTH,
                                       y / SensorManager.GRAVITY_EARTH,
                                       event.values[2] / SensorManager.GRAVITY_EARTH);
+
+
         }
     }
+
+    // Captured pointer events for API 26.
+    public boolean onCapturedPointerEvent(MotionEvent event)
+    {
+        int action = event.getActionMasked();
+
+        float x, y;
+        switch (action) {
+            case MotionEvent.ACTION_SCROLL:
+                x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
+                y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
+                SDLActivity.onNativeMouse(0, action, x, y, false);
+                return true;
+
+            case MotionEvent.ACTION_HOVER_MOVE:
+            case MotionEvent.ACTION_MOVE:
+                x = event.getX(0);
+                y = event.getY(0);
+                SDLActivity.onNativeMouse(0, action, x, y, true);
+                return true;
+
+            case MotionEvent.ACTION_BUTTON_PRESS:
+            case MotionEvent.ACTION_BUTTON_RELEASE:
+
+                // Change our action value to what SDL's code expects.
+                if (action == MotionEvent.ACTION_BUTTON_PRESS) {
+                    action = MotionEvent.ACTION_DOWN;
+                }
+                else if (action == MotionEvent.ACTION_BUTTON_RELEASE) {
+                    action = MotionEvent.ACTION_UP;
+                }
+
+                x = event.getX(0);
+                y = event.getY(0);
+                int button = event.getButtonState();
+
+                SDLActivity.onNativeMouse(button, action, x, y, true);
+                return true;
+        }
+
+        return false;
+    }
+
 }
 
 /* This is a fake invisible editor view that receives the input and defines the
@@ -1403,12 +2080,13 @@ class DummyEdit extends View implements View.OnKeyListener {
 
     @Override
     public boolean onKey(View v, int keyCode, KeyEvent event) {
-        /* 
+        /*
          * This handles the hardware keyboard input
          */
         if (event.getAction() == KeyEvent.ACTION_DOWN) {
             if (SDLActivity.isTextInputEvent(event)) {
                 ic.commitText(String.valueOf((char) event.getUnicodeChar()), 1);
+                return true;
             }
             SDLActivity.onNativeKeyDown(keyCode);
             return true;
@@ -1458,26 +2136,41 @@ class SDLInputConnection extends BaseInputConnection {
     @Override
     public boolean sendKeyEvent(KeyEvent event) {
         /*
-         * This handles the keycodes from soft keyboard (and IME-translated input from hardkeyboard)
+         * This used to handle the keycodes from soft keyboard (and IME-translated input from hardkeyboard)
+         * However, as of Ice Cream Sandwich and later, almost all soft keyboard doesn't generate key presses
+         * and so we need to generate them ourselves in commitText.  To avoid duplicates on the handful of keys
+         * that still do, we empty this out.
          */
-        int keyCode = event.getKeyCode();
-        if (event.getAction() == KeyEvent.ACTION_DOWN) {
-            if (SDLActivity.isTextInputEvent(event)) {
-                commitText(String.valueOf((char) event.getUnicodeChar()), 1);
+
+        /*
+         * Return DOES still generate a key event, however.  So rather than using it as the 'click a button' key
+         * as we do with physical keyboards, let's just use it to hide the keyboard.
+         */
+
+        if (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) {
+            if (SDLActivity.onNativeSoftReturnKey()) {
+                return true;
             }
-            SDLActivity.onNativeKeyDown(keyCode);
-            return true;
-        } else if (event.getAction() == KeyEvent.ACTION_UP) {
-            SDLActivity.onNativeKeyUp(keyCode);
-            return true;
         }
+
+
         return super.sendKeyEvent(event);
     }
 
     @Override
     public boolean commitText(CharSequence text, int newCursorPosition) {
 
-        nativeCommitText(text.toString(), newCursorPosition);
+        for (int i = 0; i < text.length(); i++) {
+            char c = text.charAt(i);
+            if (c == '\n') {
+                if (SDLActivity.onNativeSoftReturnKey()) {
+                    return true;
+                }
+            }
+            nativeGenerateScancodeForUnichar(c);
+        }
+
+        SDLInputConnection.nativeCommitText(text.toString(), newCursorPosition);
 
         return super.commitText(text, newCursorPosition);
     }
@@ -1490,7 +2183,9 @@ class SDLInputConnection extends BaseInputConnection {
         return super.setComposingText(text, newCursorPosition);
     }
 
-    public native void nativeCommitText(String text, int newCursorPosition);
+    public static native void nativeCommitText(String text, int newCursorPosition);
+
+    public native void nativeGenerateScancodeForUnichar(char c);
 
     public native void nativeSetComposingText(String text, int newCursorPosition);
 
@@ -1504,7 +2199,7 @@ class SDLInputConnection extends BaseInputConnection {
             while (beforeLength-- > 0) {
                boolean ret_key = sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL))
                               && sendKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DEL));
-               ret = ret && ret_key; 
+               ret = ret && ret_key;
             }
             return ret;
         }
@@ -1523,7 +2218,7 @@ interface SDLClipboardHandler {
 
 
 class SDLClipboardHandler_API11 implements
-    SDLClipboardHandler, 
+    SDLClipboardHandler,
     android.content.ClipboardManager.OnPrimaryClipChangedListener {
 
     protected android.content.ClipboardManager mClipMgr;
@@ -1554,7 +2249,7 @@ class SDLClipboardHandler_API11 implements
        mClipMgr.setText(string);
        mClipMgr.addPrimaryClipChangedListener(this);
     }
-    
+
     @Override
     public void onPrimaryClipChanged() {
         SDLActivity.onNativeClipboardChanged();
@@ -1562,33 +2257,3 @@ class SDLClipboardHandler_API11 implements
 
 }
 
-class SDLClipboardHandler_Old implements
-    SDLClipboardHandler {
-   
-    protected android.text.ClipboardManager mClipMgrOld;
-  
-    SDLClipboardHandler_Old() {
-       mClipMgrOld = (android.text.ClipboardManager) SDL.getContext().getSystemService(Context.CLIPBOARD_SERVICE);
-    }
-
-    @Override
-    public boolean clipboardHasText() {
-       return mClipMgrOld.hasText();
-    }
-
-    @Override
-    public String clipboardGetText() {
-       CharSequence text;
-       text = mClipMgrOld.getText();
-       if (text != null) {
-          return text.toString();
-       }
-       return null;
-    }
-
-    @Override
-    public void clipboardSetText(String string) {
-       mClipMgrOld.setText(string);
-    }
-}
-
diff --git a/build/android/app/src/main/java/org/libsdl/app/SDLAudioManager.java b/build/android/app/src/main/java/org/libsdl/app/SDLAudioManager.java
new file mode 100644
index 00000000..0714419c
--- /dev/null
+++ b/build/android/app/src/main/java/org/libsdl/app/SDLAudioManager.java
@@ -0,0 +1,387 @@
+package org.libsdl.app;
+
+import android.media.*;
+import android.os.Build;
+import android.util.Log;
+
+public class SDLAudioManager
+{
+    protected static final String TAG = "SDLAudio";
+
+    protected static AudioTrack mAudioTrack;
+    protected static AudioRecord mAudioRecord;
+
+    public static void initialize() {
+        mAudioTrack = null;
+        mAudioRecord = null;
+    }
+
+    // Audio
+
+    protected static String getAudioFormatString(int audioFormat) {
+        switch (audioFormat) {
+        case AudioFormat.ENCODING_PCM_8BIT:
+            return "8-bit";
+        case AudioFormat.ENCODING_PCM_16BIT:
+            return "16-bit";
+        case AudioFormat.ENCODING_PCM_FLOAT:
+            return "float";
+        default:
+            return Integer.toString(audioFormat);
+        }
+    }
+
+    protected static int[] open(boolean isCapture, int sampleRate, int audioFormat, int desiredChannels, int desiredFrames) {
+        int channelConfig;
+        int sampleSize;
+        int frameSize;
+
+        Log.v(TAG, "Opening " + (isCapture ? "capture" : "playback") + ", requested " + desiredFrames + " frames of " + desiredChannels + " channel " + getAudioFormatString(audioFormat) + " audio at " + sampleRate + " Hz");
+
+        /* On older devices let's use known good settings */
+        if (Build.VERSION.SDK_INT < 21) {
+            if (desiredChannels > 2) {
+                desiredChannels = 2;
+            }
+            if (sampleRate < 8000) {
+                sampleRate = 8000;
+            } else if (sampleRate > 48000) {
+                sampleRate = 48000;
+            }
+        }
+
+        if (audioFormat == AudioFormat.ENCODING_PCM_FLOAT) {
+            int minSDKVersion = (isCapture ? 23 : 21);
+            if (Build.VERSION.SDK_INT < minSDKVersion) {
+                audioFormat = AudioFormat.ENCODING_PCM_16BIT;
+            }
+        }
+        switch (audioFormat)
+        {
+        case AudioFormat.ENCODING_PCM_8BIT:
+            sampleSize = 1;
+            break;
+        case AudioFormat.ENCODING_PCM_16BIT:
+            sampleSize = 2;
+            break;
+        case AudioFormat.ENCODING_PCM_FLOAT:
+            sampleSize = 4;
+            break;
+        default:
+            Log.v(TAG, "Requested format " + audioFormat + ", getting ENCODING_PCM_16BIT");
+            audioFormat = AudioFormat.ENCODING_PCM_16BIT;
+            sampleSize = 2;
+            break;
+        }
+
+        if (isCapture) {
+            switch (desiredChannels) {
+            case 1:
+                channelConfig = AudioFormat.CHANNEL_IN_MONO;
+                break;
+            case 2:
+                channelConfig = AudioFormat.CHANNEL_IN_STEREO;
+                break;
+            default:
+                Log.v(TAG, "Requested " + desiredChannels + " channels, getting stereo");
+                desiredChannels = 2;
+                channelConfig = AudioFormat.CHANNEL_IN_STEREO;
+                break;
+            }
+        } else {
+            switch (desiredChannels) {
+            case 1:
+                channelConfig = AudioFormat.CHANNEL_OUT_MONO;
+                break;
+            case 2:
+                channelConfig = AudioFormat.CHANNEL_OUT_STEREO;
+                break;
+            case 3:
+                channelConfig = AudioFormat.CHANNEL_OUT_STEREO | AudioFormat.CHANNEL_OUT_FRONT_CENTER;
+                break;
+            case 4:
+                channelConfig = AudioFormat.CHANNEL_OUT_QUAD;
+                break;
+            case 5:
+                channelConfig = AudioFormat.CHANNEL_OUT_QUAD | AudioFormat.CHANNEL_OUT_FRONT_CENTER;
+                break;
+            case 6:
+                channelConfig = AudioFormat.CHANNEL_OUT_5POINT1;
+                break;
+            case 7:
+                channelConfig = AudioFormat.CHANNEL_OUT_5POINT1 | AudioFormat.CHANNEL_OUT_BACK_CENTER;
+                break;
+            case 8:
+                if (Build.VERSION.SDK_INT >= 23) {
+                    channelConfig = AudioFormat.CHANNEL_OUT_7POINT1_SURROUND;
+                } else {
+                    Log.v(TAG, "Requested " + desiredChannels + " channels, getting 5.1 surround");
+                    desiredChannels = 6;
+                    channelConfig = AudioFormat.CHANNEL_OUT_5POINT1;
+                }
+                break;
+            default:
+                Log.v(TAG, "Requested " + desiredChannels + " channels, getting stereo");
+                desiredChannels = 2;
+                channelConfig = AudioFormat.CHANNEL_OUT_STEREO;
+                break;
+            }
+
+/*
+            Log.v(TAG, "Speaker configuration (and order of channels):");
+
+            if ((channelConfig & 0x00000004) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_LEFT");
+            }
+            if ((channelConfig & 0x00000008) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_RIGHT");
+            }
+            if ((channelConfig & 0x00000010) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_CENTER");
+            }
+            if ((channelConfig & 0x00000020) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_LOW_FREQUENCY");
+            }
+            if ((channelConfig & 0x00000040) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_BACK_LEFT");
+            }
+            if ((channelConfig & 0x00000080) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_BACK_RIGHT");
+            }
+            if ((channelConfig & 0x00000100) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_LEFT_OF_CENTER");
+            }
+            if ((channelConfig & 0x00000200) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_FRONT_RIGHT_OF_CENTER");
+            }
+            if ((channelConfig & 0x00000400) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_BACK_CENTER");
+            }
+            if ((channelConfig & 0x00000800) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_SIDE_LEFT");
+            }
+            if ((channelConfig & 0x00001000) != 0) {
+                Log.v(TAG, "   CHANNEL_OUT_SIDE_RIGHT");
+            }
+*/
+        }
+        frameSize = (sampleSize * desiredChannels);
+
+        // Let the user pick a larger buffer if they really want -- but ye
+        // gods they probably shouldn't, the minimums are horrifyingly high
+        // latency already
+        int minBufferSize;
+        if (isCapture) {
+            minBufferSize = AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat);
+        } else {
+            minBufferSize = AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat);
+        }
+        desiredFrames = Math.max(desiredFrames, (minBufferSize + frameSize - 1) / frameSize);
+
+        int[] results = new int[4];
+
+        if (isCapture) {
+            if (mAudioRecord == null) {
+                mAudioRecord = new AudioRecord(MediaRecorder.AudioSource.DEFAULT, sampleRate,
+                        channelConfig, audioFormat, desiredFrames * frameSize);
+
+                // see notes about AudioTrack state in audioOpen(), above. Probably also applies here.
+                if (mAudioRecord.getState() != AudioRecord.STATE_INITIALIZED) {
+                    Log.e(TAG, "Failed during initialization of AudioRecord");
+                    mAudioRecord.release();
+                    mAudioRecord = null;
+                    return null;
+                }
+
+                mAudioRecord.startRecording();
+            }
+
+            results[0] = mAudioRecord.getSampleRate();
+            results[1] = mAudioRecord.getAudioFormat();
+            results[2] = mAudioRecord.getChannelCount();
+            results[3] = desiredFrames;
+
+        } else {
+            if (mAudioTrack == null) {
+                mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate, channelConfig, audioFormat, desiredFrames * frameSize, AudioTrack.MODE_STREAM);
+
+                // Instantiating AudioTrack can "succeed" without an exception and the track may still be invalid
+                // Ref: https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/media/java/android/media/AudioTrack.java
+                // Ref: http://developer.android.com/reference/android/media/AudioTrack.html#getState()
+                if (mAudioTrack.getState() != AudioTrack.STATE_INITIALIZED) {
+                    /* Try again, with safer values */
+
+                    Log.e(TAG, "Failed during initialization of Audio Track");
+                    mAudioTrack.release();
+                    mAudioTrack = null;
+                    return null;
+                }
+
+                mAudioTrack.play();
+            }
+
+            results[0] = mAudioTrack.getSampleRate();
+            results[1] = mAudioTrack.getAudioFormat();
+            results[2] = mAudioTrack.getChannelCount();
+            results[3] = desiredFrames;
+        }
+
+        Log.v(TAG, "Opening " + (isCapture ? "capture" : "playback") + ", got " + results[3] + " frames of " + results[2] + " channel " + getAudioFormatString(results[1]) + " audio at " + results[0] + " Hz");
+
+        return results;
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static int[] audioOpen(int sampleRate, int audioFormat, int desiredChannels, int desiredFrames) {
+        return open(false, sampleRate, audioFormat, desiredChannels, desiredFrames);
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void audioWriteFloatBuffer(float[] buffer) {
+        if (mAudioTrack == null) {
+            Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
+            return;
+        }
+
+        for (int i = 0; i < buffer.length;) {
+            int result = mAudioTrack.write(buffer, i, buffer.length - i, AudioTrack.WRITE_BLOCKING);
+            if (result > 0) {
+                i += result;
+            } else if (result == 0) {
+                try {
+                    Thread.sleep(1);
+                } catch(InterruptedException e) {
+                    // Nom nom
+                }
+            } else {
+                Log.w(TAG, "SDL audio: error return from write(float)");
+                return;
+            }
+        }
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void audioWriteShortBuffer(short[] buffer) {
+        if (mAudioTrack == null) {
+            Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
+            return;
+        }
+
+        for (int i = 0; i < buffer.length;) {
+            int result = mAudioTrack.write(buffer, i, buffer.length - i);
+            if (result > 0) {
+                i += result;
+            } else if (result == 0) {
+                try {
+                    Thread.sleep(1);
+                } catch(InterruptedException e) {
+                    // Nom nom
+                }
+            } else {
+                Log.w(TAG, "SDL audio: error return from write(short)");
+                return;
+            }
+        }
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void audioWriteByteBuffer(byte[] buffer) {
+        if (mAudioTrack == null) {
+            Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
+            return;
+        }
+
+        for (int i = 0; i < buffer.length; ) {
+            int result = mAudioTrack.write(buffer, i, buffer.length - i);
+            if (result > 0) {
+                i += result;
+            } else if (result == 0) {
+                try {
+                    Thread.sleep(1);
+                } catch(InterruptedException e) {
+                    // Nom nom
+                }
+            } else {
+                Log.w(TAG, "SDL audio: error return from write(byte)");
+                return;
+            }
+        }
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static int[] captureOpen(int sampleRate, int audioFormat, int desiredChannels, int desiredFrames) {
+        return open(true, sampleRate, audioFormat, desiredChannels, desiredFrames);
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static int captureReadFloatBuffer(float[] buffer, boolean blocking) {
+        return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static int captureReadShortBuffer(short[] buffer, boolean blocking) {
+        if (Build.VERSION.SDK_INT < 23) {
+            return mAudioRecord.read(buffer, 0, buffer.length);
+        } else {
+            return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
+        }
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static int captureReadByteBuffer(byte[] buffer, boolean blocking) {
+        if (Build.VERSION.SDK_INT < 23) {
+            return mAudioRecord.read(buffer, 0, buffer.length);
+        } else {
+            return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
+        }
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static void audioClose() {
+        if (mAudioTrack != null) {
+            mAudioTrack.stop();
+            mAudioTrack.release();
+            mAudioTrack = null;
+        }
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static void captureClose() {
+        if (mAudioRecord != null) {
+            mAudioRecord.stop();
+            mAudioRecord.release();
+            mAudioRecord = null;
+        }
+    }
+
+    /** This method is called by SDL using JNI. */
+    public static void audioSetThreadPriority(boolean iscapture, int device_id) {
+        try {
+
+            /* Set thread name */
+            if (iscapture) {
+                Thread.currentThread().setName("SDLAudioC" + device_id);
+            } else {
+                Thread.currentThread().setName("SDLAudioP" + device_id);
+            }
+
+            /* Set thread priority */
+            android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_AUDIO);
+
+        } catch (Exception e) {
+            Log.v(TAG, "modify thread properties failed " + e.toString());
+        }
+    }
+
+    public static native int nativeSetupJNI();
+}
diff --git a/build/android/app/src/main/java/org/libsdl/app/SDLControllerManager.java b/build/android/app/src/main/java/org/libsdl/app/SDLControllerManager.java
new file mode 100644
index 00000000..a81e97be
--- /dev/null
+++ b/build/android/app/src/main/java/org/libsdl/app/SDLControllerManager.java
@@ -0,0 +1,788 @@
+package org.libsdl.app;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import android.content.Context;
+import android.os.*;
+import android.view.*;
+import android.util.Log;
+
+
+public class SDLControllerManager
+{
+
+    public static native int nativeSetupJNI();
+
+    public static native int nativeAddJoystick(int device_id, String name, String desc,
+                                               int vendor_id, int product_id,
+                                               boolean is_accelerometer, int button_mask,
+                                               int naxes, int nhats, int nballs);
+    public static native int nativeRemoveJoystick(int device_id);
+    public static native int nativeAddHaptic(int device_id, String name);
+    public static native int nativeRemoveHaptic(int device_id);
+    public static native int onNativePadDown(int device_id, int keycode);
+    public static native int onNativePadUp(int device_id, int keycode);
+    public static native void onNativeJoy(int device_id, int axis,
+                                          float value);
+    public static native void onNativeHat(int device_id, int hat_id,
+                                          int x, int y);
+
+    protected static SDLJoystickHandler mJoystickHandler;
+    protected static SDLHapticHandler mHapticHandler;
+
+    private static final String TAG = "SDLControllerManager";
+
+    public static void initialize() {
+        if (mJoystickHandler == null) {
+            if (Build.VERSION.SDK_INT >= 19) {
+                mJoystickHandler = new SDLJoystickHandler_API19();
+            } else {
+                mJoystickHandler = new SDLJoystickHandler_API16();
+            }
+        }
+
+        if (mHapticHandler == null) {
+            if (Build.VERSION.SDK_INT >= 26) {
+                mHapticHandler = new SDLHapticHandler_API26();
+            } else {
+                mHapticHandler = new SDLHapticHandler();
+            }
+        }
+    }
+
+    // Joystick glue code, just a series of stubs that redirect to the SDLJoystickHandler instance
+    public static boolean handleJoystickMotionEvent(MotionEvent event) {
+        return mJoystickHandler.handleMotionEvent(event);
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void pollInputDevices() {
+        mJoystickHandler.pollInputDevices();
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void pollHapticDevices() {
+        mHapticHandler.pollHapticDevices();
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void hapticRun(int device_id, float intensity, int length) {
+        mHapticHandler.run(device_id, intensity, length);
+    }
+
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static void hapticStop(int device_id)
+    {
+        mHapticHandler.stop(device_id);
+    }
+
+    // Check if a given device is considered a possible SDL joystick
+    public static boolean isDeviceSDLJoystick(int deviceId) {
+        InputDevice device = InputDevice.getDevice(deviceId);
+        // We cannot use InputDevice.isVirtual before API 16, so let's accept
+        // only nonnegative device ids (VIRTUAL_KEYBOARD equals -1)
+        if ((device == null) || (deviceId < 0)) {
+            return false;
+        }
+        int sources = device.getSources();
+
+        /* This is called for every button press, so let's not spam the logs */
+        /**
+        if ((sources & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
+            Log.v(TAG, "Input device " + device.getName() + " has class joystick.");
+        }
+        if ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) {
+            Log.v(TAG, "Input device " + device.getName() + " is a dpad.");
+        }
+        if ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD) {
+            Log.v(TAG, "Input device " + device.getName() + " is a gamepad.");
+        }
+        **/
+
+        return ((sources & InputDevice.SOURCE_CLASS_JOYSTICK) != 0 ||
+                ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) ||
+                ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD)
+        );
+    }
+
+}
+
+class SDLJoystickHandler {
+
+    /**
+     * Handles given MotionEvent.
+     * @param event the event to be handled.
+     * @return if given event was processed.
+     */
+    public boolean handleMotionEvent(MotionEvent event) {
+        return false;
+    }
+
+    /**
+     * Handles adding and removing of input devices.
+     */
+    public void pollInputDevices() {
+    }
+}
+
+/* Actual joystick functionality available for API >= 12 devices */
+class SDLJoystickHandler_API16 extends SDLJoystickHandler {
+
+    static class SDLJoystick {
+        public int device_id;
+        public String name;
+        public String desc;
+        public ArrayList<InputDevice.MotionRange> axes;
+        public ArrayList<InputDevice.MotionRange> hats;
+    }
+    static class RangeComparator implements Comparator<InputDevice.MotionRange> {
+        @Override
+        public int compare(InputDevice.MotionRange arg0, InputDevice.MotionRange arg1) {
+            // Some controllers, like the Moga Pro 2, return AXIS_GAS (22) for right trigger and AXIS_BRAKE (23) for left trigger - swap them so they're sorted in the right order for SDL
+            int arg0Axis = arg0.getAxis();
+            int arg1Axis = arg1.getAxis();
+            if (arg0Axis == MotionEvent.AXIS_GAS) {
+                arg0Axis = MotionEvent.AXIS_BRAKE;
+            } else if (arg0Axis == MotionEvent.AXIS_BRAKE) {
+                arg0Axis = MotionEvent.AXIS_GAS;
+            }
+            if (arg1Axis == MotionEvent.AXIS_GAS) {
+                arg1Axis = MotionEvent.AXIS_BRAKE;
+            } else if (arg1Axis == MotionEvent.AXIS_BRAKE) {
+                arg1Axis = MotionEvent.AXIS_GAS;
+            }
+
+            return arg0Axis - arg1Axis;
+        }
+    }
+
+    private ArrayList<SDLJoystick> mJoysticks;
+
+    public SDLJoystickHandler_API16() {
+
+        mJoysticks = new ArrayList<SDLJoystick>();
+    }
+
+    @Override
+    public void pollInputDevices() {
+        int[] deviceIds = InputDevice.getDeviceIds();
+        for(int i=0; i < deviceIds.length; ++i) {
+            SDLJoystick joystick = getJoystick(deviceIds[i]);
+            if (joystick == null) {
+                joystick = new SDLJoystick();
+                InputDevice joystickDevice = InputDevice.getDevice(deviceIds[i]);
+                if (SDLControllerManager.isDeviceSDLJoystick(deviceIds[i])) {
+                    joystick.device_id = deviceIds[i];
+                    joystick.name = joystickDevice.getName();
+                    joystick.desc = getJoystickDescriptor(joystickDevice);
+                    joystick.axes = new ArrayList<InputDevice.MotionRange>();
+                    joystick.hats = new ArrayList<InputDevice.MotionRange>();
+
+                    List<InputDevice.MotionRange> ranges = joystickDevice.getMotionRanges();
+                    Collections.sort(ranges, new RangeComparator());
+                    for (InputDevice.MotionRange range : ranges ) {
+                        if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
+                            if (range.getAxis() == MotionEvent.AXIS_HAT_X ||
+                                range.getAxis() == MotionEvent.AXIS_HAT_Y) {
+                                joystick.hats.add(range);
+                            }
+                            else {
+                                joystick.axes.add(range);
+                            }
+                        }
+                    }
+
+                    mJoysticks.add(joystick);
+                    SDLControllerManager.nativeAddJoystick(joystick.device_id, joystick.name, joystick.desc, getVendorId(joystickDevice), getProductId(joystickDevice), false, getButtonMask(joystickDevice), joystick.axes.size(), joystick.hats.size()/2, 0);
+                }
+            }
+        }
+
+        /* Check removed devices */
+        ArrayList<Integer> removedDevices = new ArrayList<Integer>();
+        for(int i=0; i < mJoysticks.size(); i++) {
+            int device_id = mJoysticks.get(i).device_id;
+            int j;
+            for (j=0; j < deviceIds.length; j++) {
+                if (device_id == deviceIds[j]) break;
+            }
+            if (j == deviceIds.length) {
+                removedDevices.add(Integer.valueOf(device_id));
+            }
+        }
+
+        for(int i=0; i < removedDevices.size(); i++) {
+            int device_id = removedDevices.get(i).intValue();
+            SDLControllerManager.nativeRemoveJoystick(device_id);
+            for (int j=0; j < mJoysticks.size(); j++) {
+                if (mJoysticks.get(j).device_id == device_id) {
+                    mJoysticks.remove(j);
+                    break;
+                }
+            }
+        }
+    }
+
+    protected SDLJoystick getJoystick(int device_id) {
+        for(int i=0; i < mJoysticks.size(); i++) {
+            if (mJoysticks.get(i).device_id == device_id) {
+                return mJoysticks.get(i);
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public boolean handleMotionEvent(MotionEvent event) {
+        if ((event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
+            int actionPointerIndex = event.getActionIndex();
+            int action = event.getActionMasked();
+            switch(action) {
+                case MotionEvent.ACTION_MOVE:
+                    SDLJoystick joystick = getJoystick(event.getDeviceId());
+                    if ( joystick != null ) {
+                        for (int i = 0; i < joystick.axes.size(); i++) {
+                            InputDevice.MotionRange range = joystick.axes.get(i);
+                            /* Normalize the value to -1...1 */
+                            float value = ( event.getAxisValue( range.getAxis(), actionPointerIndex) - range.getMin() ) / range.getRange() * 2.0f - 1.0f;
+                            SDLControllerManager.onNativeJoy(joystick.device_id, i, value );
+                        }
+                        for (int i = 0; i < joystick.hats.size(); i+=2) {
+                            int hatX = Math.round(event.getAxisValue( joystick.hats.get(i).getAxis(), actionPointerIndex ) );
+                            int hatY = Math.round(event.getAxisValue( joystick.hats.get(i+1).getAxis(), actionPointerIndex ) );
+                            SDLControllerManager.onNativeHat(joystick.device_id, i/2, hatX, hatY );
+                        }
+                    }
+                    break;
+                default:
+                    break;
+            }
+        }
+        return true;
+    }
+
+    public String getJoystickDescriptor(InputDevice joystickDevice) {
+        String desc = joystickDevice.getDescriptor();
+
+        if (desc != null && !desc.isEmpty()) {
+            return desc;
+        }
+
+        return joystickDevice.getName();
+    }
+    public int getProductId(InputDevice joystickDevice) {
+        return 0;
+    }
+    public int getVendorId(InputDevice joystickDevice) {
+        return 0;
+    }
+    public int getButtonMask(InputDevice joystickDevice) {
+        return -1;
+    }
+}
+
+class SDLJoystickHandler_API19 extends SDLJoystickHandler_API16 {
+
+    @Override
+    public int getProductId(InputDevice joystickDevice) {
+        return joystickDevice.getProductId();
+    }
+
+    @Override
+    public int getVendorId(InputDevice joystickDevice) {
+        return joystickDevice.getVendorId();
+    }
+
+    @Override
+    public int getButtonMask(InputDevice joystickDevice) {
+        int button_mask = 0;
+        int[] keys = new int[] {
+            KeyEvent.KEYCODE_BUTTON_A,
+            KeyEvent.KEYCODE_BUTTON_B,
+            KeyEvent.KEYCODE_BUTTON_X,
+            KeyEvent.KEYCODE_BUTTON_Y,
+            KeyEvent.KEYCODE_BACK,
+            KeyEvent.KEYCODE_BUTTON_MODE,
+            KeyEvent.KEYCODE_BUTTON_START,
+            KeyEvent.KEYCODE_BUTTON_THUMBL,
+            KeyEvent.KEYCODE_BUTTON_THUMBR,
+            KeyEvent.KEYCODE_BUTTON_L1,
+            KeyEvent.KEYCODE_BUTTON_R1,
+            KeyEvent.KEYCODE_DPAD_UP,
+            KeyEvent.KEYCODE_DPAD_DOWN,
+            KeyEvent.KEYCODE_DPAD_LEFT,
+            KeyEvent.KEYCODE_DPAD_RIGHT,
+            KeyEvent.KEYCODE_BUTTON_SELECT,
+            KeyEvent.KEYCODE_DPAD_CENTER,
+
+            // These don't map into any SDL controller buttons directly
+            KeyEvent.KEYCODE_BUTTON_L2,
+            KeyEvent.KEYCODE_BUTTON_R2,
+            KeyEvent.KEYCODE_BUTTON_C,
+            KeyEvent.KEYCODE_BUTTON_Z,
+            KeyEvent.KEYCODE_BUTTON_1,
+            KeyEvent.KEYCODE_BUTTON_2,
+            KeyEvent.KEYCODE_BUTTON_3,
+            KeyEvent.KEYCODE_BUTTON_4,
+            KeyEvent.KEYCODE_BUTTON_5,
+            KeyEvent.KEYCODE_BUTTON_6,
+            KeyEvent.KEYCODE_BUTTON_7,
+            KeyEvent.KEYCODE_BUTTON_8,
+            KeyEvent.KEYCODE_BUTTON_9,
+            KeyEvent.KEYCODE_BUTTON_10,
+            KeyEvent.KEYCODE_BUTTON_11,
+            KeyEvent.KEYCODE_BUTTON_12,
+            KeyEvent.KEYCODE_BUTTON_13,
+            KeyEvent.KEYCODE_BUTTON_14,
+            KeyEvent.KEYCODE_BUTTON_15,
+            KeyEvent.KEYCODE_BUTTON_16,
+        };
+        int[] masks = new int[] {
+            (1 << 0),   // A -> A
+            (1 << 1),   // B -> B
+            (1 << 2),   // X -> X
+            (1 << 3),   // Y -> Y
+            (1 << 4),   // BACK -> BACK
+            (1 << 5),   // MODE -> GUIDE
+            (1 << 6),   // START -> START
+            (1 << 7),   // THUMBL -> LEFTSTICK
+            (1 << 8),   // THUMBR -> RIGHTSTICK
+            (1 << 9),   // L1 -> LEFTSHOULDER
+            (1 << 10),  // R1 -> RIGHTSHOULDER
+            (1 << 11),  // DPAD_UP -> DPAD_UP
+            (1 << 12),  // DPAD_DOWN -> DPAD_DOWN
+            (1 << 13),  // DPAD_LEFT -> DPAD_LEFT
+            (1 << 14),  // DPAD_RIGHT -> DPAD_RIGHT
+            (1 << 4),   // SELECT -> BACK
+            (1 << 0),   // DPAD_CENTER -> A
+            (1 << 15),  // L2 -> ??
+            (1 << 16),  // R2 -> ??
+            (1 << 17),  // C -> ??
+            (1 << 18),  // Z -> ??
+            (1 << 20),  // 1 -> ??
+            (1 << 21),  // 2 -> ??
+            (1 << 22),  // 3 -> ??
+            (1 << 23),  // 4 -> ??
+            (1 << 24),  // 5 -> ??
+            (1 << 25),  // 6 -> ??
+            (1 << 26),  // 7 -> ??
+            (1 << 27),  // 8 -> ??
+            (1 << 28),  // 9 -> ??
+            (1 << 29),  // 10 -> ??
+            (1 << 30),  // 11 -> ??
+            (1 << 31),  // 12 -> ??
+            // We're out of room...
+            0xFFFFFFFF,  // 13 -> ??
+            0xFFFFFFFF,  // 14 -> ??
+            0xFFFFFFFF,  // 15 -> ??
+            0xFFFFFFFF,  // 16 -> ??
+        };
+        boolean[] has_keys = joystickDevice.hasKeys(keys);
+        for (int i = 0; i < keys.length; ++i) {
+            if (has_keys[i]) {
+                button_mask |= masks[i];
+            }
+        }
+        return button_mask;
+    }
+}
+
+class SDLHapticHandler_API26 extends SDLHapticHandler {
+    @Override
+    public void run(int device_id, float intensity, int length) {
+        SDLHaptic haptic = getHaptic(device_id);
+        if (haptic != null) {
+            Log.d("SDL", "Rtest: Vibe with intensity " + intensity + " for " + length);
+            if (intensity == 0.0f) {
+                stop(device_id);
+                return;
+            }
+
+            int vibeValue = Math.round(intensity * 255);
+
+            if (vibeValue > 255) {
+                vibeValue = 255;
+            }
+            if (vibeValue < 1) {
+                stop(device_id);
+                return;
+            }
+            try {
+                haptic.vib.vibrate(VibrationEffect.createOneShot(length, vibeValue));
+            }
+            catch (Exception e) {
+                // Fall back to the generic method, which uses DEFAULT_AMPLITUDE, but works even if
+                // something went horribly wrong with the Android 8.0 APIs.
+                haptic.vib.vibrate(length);
+            }
+        }
+    }
+}
+
+class SDLHapticHandler {
+
+    class SDLHaptic {
+        public int device_id;
+        public String name;
+        public Vibrator vib;
+    }
+
+    private ArrayList<SDLHaptic> mHaptics;
+
+    public SDLHapticHandler() {
+        mHaptics = new ArrayList<SDLHaptic>();
+    }
+
+    public void run(int device_id, float intensity, int length) {
+        SDLHaptic haptic = getHaptic(device_id);
+        if (haptic != null) {
+            haptic.vib.vibrate(length);
+        }
+    }
+
+    public void stop(int device_id) {
+        SDLHaptic haptic = getHaptic(device_id);
+        if (haptic != null) {
+            haptic.vib.cancel();
+        }
+    }
+
+    public void pollHapticDevices() {
+
+        final int deviceId_VIBRATOR_SERVICE = 999999;
+        boolean hasVibratorService = false;
+
+        int[] deviceIds = InputDevice.getDeviceIds();
+        // It helps processing the device ids in reverse order
+        // For example, in the case of the XBox 360 wireless dongle,
+        // so the first controller seen by SDL matches what the receiver
+        // considers to be the first controller
+
+        for (int i = deviceIds.length - 1; i > -1; i--) {
+            SDLHaptic haptic = getHaptic(deviceIds[i]);
+            if (haptic == null) {
+                InputDevice device = InputDevice.getDevice(deviceIds[i]);
+                Vibrator vib = device.getVibrator();
+                if (vib.hasVibrator()) {
+                    haptic = new SDLHaptic();
+                    haptic.device_id = deviceIds[i];
+                    haptic.name = device.getName();
+                    haptic.vib = vib;
+                    mHaptics.add(haptic);
+                    SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
+                }
+            }
+        }
+
+        /* Check VIBRATOR_SERVICE */
+        Vibrator vib = (Vibrator) SDL.getContext().getSystemService(Context.VIBRATOR_SERVICE);
+        if (vib != null) {
+            hasVibratorService = vib.hasVibrator();
+
+            if (hasVibratorService) {
+                SDLHaptic haptic = getHaptic(deviceId_VIBRATOR_SERVICE);
+                if (haptic == null) {
+                    haptic = new SDLHaptic();
+                    haptic.device_id = deviceId_VIBRATOR_SERVICE;
+                    haptic.name = "VIBRATOR_SERVICE";
+                    haptic.vib = vib;
+                    mHaptics.add(haptic);
+                    SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
+                }
+            }
+        }
+
+        /* Check removed devices */
+        ArrayList<Integer> removedDevices = new ArrayList<Integer>();
+        for(int i=0; i < mHaptics.size(); i++) {
+            int device_id = mHaptics.get(i).device_id;
+            int j;
+            for (j=0; j < deviceIds.length; j++) {
+                if (device_id == deviceIds[j]) break;
+            }
+
+            if (device_id == deviceId_VIBRATOR_SERVICE && hasVibratorService) {
+                // don't remove the vibrator if it is still present
+            } else if (j == deviceIds.length) {
+                removedDevices.add(device_id);
+            }
+        }
+
+        for(int i=0; i < removedDevices.size(); i++) {
+            int device_id = removedDevices.get(i);
+            SDLControllerManager.nativeRemoveHaptic(device_id);
+            for (int j=0; j < mHaptics.size(); j++) {
+                if (mHaptics.get(j).device_id == device_id) {
+                    mHaptics.remove(j);
+                    break;
+                }
+            }
+        }
+    }
+
+    protected SDLHaptic getHaptic(int device_id) {
+        for(int i=0; i < mHaptics.size(); i++) {
+            if (mHaptics.get(i).device_id == device_id) {
+                return mHaptics.get(i);
+            }
+        }
+        return null;
+    }
+}
+
+class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
+    // Generic Motion (mouse hover, joystick...) events go here
+    @Override
+    public boolean onGenericMotion(View v, MotionEvent event) {
+        float x, y;
+        int action;
+
+        switch ( event.getSource() ) {
+            case InputDevice.SOURCE_JOYSTICK:
+            case InputDevice.SOURCE_GAMEPAD:
+            case InputDevice.SOURCE_DPAD:
+                return SDLControllerManager.handleJoystickMotionEvent(event);
+
+            case InputDevice.SOURCE_MOUSE:
+                action = event.getActionMasked();
+                switch (action) {
+                    case MotionEvent.ACTION_SCROLL:
+                        x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
+                        y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    case MotionEvent.ACTION_HOVER_MOVE:
+                        x = event.getX(0);
+                        y = event.getY(0);
+
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    default:
+                        break;
+                }
+                break;
+
+            default:
+                break;
+        }
+
+        // Event was not managed
+        return false;
+    }
+
+    public boolean supportsRelativeMouse() {
+        return false;
+    }
+
+    public boolean inRelativeMode() {
+        return false;
+    }
+
+    public boolean setRelativeMouseEnabled(boolean enabled) {
+        return false;
+    }
+
+    public void reclaimRelativeMouseModeIfNeeded()
+    {
+
+    }
+
+    public float getEventX(MotionEvent event) {
+        return event.getX(0);
+    }
+
+    public float getEventY(MotionEvent event) {
+        return event.getY(0);
+    }
+
+}
+
+class SDLGenericMotionListener_API24 extends SDLGenericMotionListener_API12 {
+    // Generic Motion (mouse hover, joystick...) events go here
+
+    private boolean mRelativeModeEnabled;
+
+    @Override
+    public boolean onGenericMotion(View v, MotionEvent event) {
+
+        // Handle relative mouse mode
+        if (mRelativeModeEnabled) {
+            if (event.getSource() == InputDevice.SOURCE_MOUSE) {
+                int action = event.getActionMasked();
+                if (action == MotionEvent.ACTION_HOVER_MOVE) {
+                    float x = event.getAxisValue(MotionEvent.AXIS_RELATIVE_X);
+                    float y = event.getAxisValue(MotionEvent.AXIS_RELATIVE_Y);
+                    SDLActivity.onNativeMouse(0, action, x, y, true);
+                    return true;
+                }
+            }
+        }
+
+        // Event was not managed, call SDLGenericMotionListener_API12 method
+        return super.onGenericMotion(v, event);
+    }
+
+    @Override
+    public boolean supportsRelativeMouse() {
+        return true;
+    }
+
+    @Override
+    public boolean inRelativeMode() {
+        return mRelativeModeEnabled;
+    }
+
+    @Override
+    public boolean setRelativeMouseEnabled(boolean enabled) {
+        mRelativeModeEnabled = enabled;
+        return true;
+    }
+
+    @Override
+    public float getEventX(MotionEvent event) {
+        if (mRelativeModeEnabled) {
+            return event.getAxisValue(MotionEvent.AXIS_RELATIVE_X);
+        }
+        else {
+            return event.getX(0);
+        }
+    }
+
+    @Override
+    public float getEventY(MotionEvent event) {
+        if (mRelativeModeEnabled) {
+            return event.getAxisValue(MotionEvent.AXIS_RELATIVE_Y);
+        }
+        else {
+            return event.getY(0);
+        }
+    }
+}
+
+
+class SDLGenericMotionListener_API26 extends SDLGenericMotionListener_API24 {
+    // Generic Motion (mouse hover, joystick...) events go here
+    private boolean mRelativeModeEnabled;
+
+    @Override
+    public boolean onGenericMotion(View v, MotionEvent event) {
+        float x, y;
+        int action;
+
+        switch ( event.getSource() ) {
+            case InputDevice.SOURCE_JOYSTICK:
+            case InputDevice.SOURCE_GAMEPAD:
+            case InputDevice.SOURCE_DPAD:
+                return SDLControllerManager.handleJoystickMotionEvent(event);
+
+            case InputDevice.SOURCE_MOUSE:
+            // DeX desktop mouse cursor is a separate non-standard input type.
+            case InputDevice.SOURCE_MOUSE | InputDevice.SOURCE_TOUCHSCREEN:
+                action = event.getActionMasked();
+                switch (action) {
+                    case MotionEvent.ACTION_SCROLL:
+                        x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
+                        y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    case MotionEvent.ACTION_HOVER_MOVE:
+                        x = event.getX(0);
+                        y = event.getY(0);
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    default:
+                        break;
+                }
+                break;
+
+            case InputDevice.SOURCE_MOUSE_RELATIVE:
+                action = event.getActionMasked();
+                switch (action) {
+                    case MotionEvent.ACTION_SCROLL:
+                        x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
+                        y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
+                        SDLActivity.onNativeMouse(0, action, x, y, false);
+                        return true;
+
+                    case MotionEvent.ACTION_HOVER_MOVE:
+                        x = event.getX(0);
+                        y = event.getY(0);
+                        SDLActivity.onNativeMouse(0, action, x, y, true);
+                        return true;
+
+                    default:
+                        break;
+                }
+                break;
+
+            default:
+                break;
+        }
+
+        // Event was not managed
+        return false;
+    }
+
+    @Override
+    public boolean supportsRelativeMouse() {
+        return (!SDLActivity.isDeXMode() || (Build.VERSION.SDK_INT >= 27));
+    }
+
+    @Override
+    public boolean inRelativeMode() {
+        return mRelativeModeEnabled;
+    }
+
+    @Override
+    public boolean setRelativeMouseEnabled(boolean enabled) {
+        if (!SDLActivity.isDeXMode() || (Build.VERSION.SDK_INT >= 27)) {
+            if (enabled) {
+                SDLActivity.getContentView().requestPointerCapture();
+            }
+            else {
+                SDLActivity.getContentView().releasePointerCapture();
+            }
+            mRelativeModeEnabled = enabled;
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    @Override
+    public void reclaimRelativeMouseModeIfNeeded()
+    {
+        if (mRelativeModeEnabled && !SDLActivity.isDeXMode()) {
+            SDLActivity.getContentView().requestPointerCapture();
+        }
+    }
+
+    @Override
+    public float getEventX(MotionEvent event) {
+        // Relative mouse in capture mode will only have relative for X/Y
+        return event.getX(0);
+    }
+
+    @Override
+    public float getEventY(MotionEvent event) {
+        // Relative mouse in capture mode will only have relative for X/Y
+        return event.getY(0);
+    }
+}
diff --git a/build/android/res/drawable-hdpi/ic_launcher.png b/build/android/app/src/main/res/drawable-hdpi/ic_launcher.png
similarity index 100%
rename from build/android/res/drawable-hdpi/ic_launcher.png
rename to build/android/app/src/main/res/drawable-hdpi/ic_launcher.png
diff --git a/build/android/res/drawable-mdpi/ic_launcher.png b/build/android/app/src/main/res/drawable-mdpi/ic_launcher.png
similarity index 100%
rename from build/android/res/drawable-mdpi/ic_launcher.png
rename to build/android/app/src/main/res/drawable-mdpi/ic_launcher.png
diff --git a/build/android/res/drawable-xhdpi/ic_launcher.png b/build/android/app/src/main/res/drawable-xhdpi/ic_launcher.png
similarity index 100%
rename from build/android/res/drawable-xhdpi/ic_launcher.png
rename to build/android/app/src/main/res/drawable-xhdpi/ic_launcher.png
diff --git a/build/android/res/drawable-xxhdpi/ic_launcher.png b/build/android/app/src/main/res/drawable-xxhdpi/ic_launcher.png
similarity index 100%
rename from build/android/res/drawable-xxhdpi/ic_launcher.png
rename to build/android/app/src/main/res/drawable-xxhdpi/ic_launcher.png
diff --git a/build/android/res/drawable/file.png b/build/android/app/src/main/res/drawable/file.png
similarity index 100%
rename from build/android/res/drawable/file.png
rename to build/android/app/src/main/res/drawable/file.png
diff --git a/build/android/res/drawable/folder.png b/build/android/app/src/main/res/drawable/folder.png
similarity index 100%
rename from build/android/res/drawable/folder.png
rename to build/android/app/src/main/res/drawable/folder.png
diff --git a/build/android/res/drawable/up_folder.png b/build/android/app/src/main/res/drawable/up_folder.png
similarity index 100%
rename from build/android/res/drawable/up_folder.png
rename to build/android/app/src/main/res/drawable/up_folder.png
diff --git a/build/android/res/layout/dialog.xml b/build/android/app/src/main/res/layout/dialog.xml
similarity index 100%
rename from build/android/res/layout/dialog.xml
rename to build/android/app/src/main/res/layout/dialog.xml
diff --git a/build/android/res/layout/item.xml b/build/android/app/src/main/res/layout/item.xml
similarity index 100%
rename from build/android/res/layout/item.xml
rename to build/android/app/src/main/res/layout/item.xml
diff --git a/build/android/res/values/strings.xml b/build/android/app/src/main/res/values/strings.xml
similarity index 100%
rename from build/android/res/values/strings.xml
rename to build/android/app/src/main/res/values/strings.xml
diff --git a/build/android/build.gradle b/build/android/build.gradle
new file mode 100644
index 00000000..d17925d9
--- /dev/null
+++ b/build/android/build.gradle
@@ -0,0 +1,25 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.3.1'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/build/android/build.properties b/build/android/build.properties
deleted file mode 100644
index edc7f230..00000000
--- a/build/android/build.properties
+++ /dev/null
@@ -1,17 +0,0 @@
-# This file is used to override default values used by the Ant build system.
-# 
-# This file must be checked in Version Control Systems, as it is
-# integral to the build system of your project.
-
-# This file is only used by the Ant script.
-
-# You can use this to override default values such as
-#  'source.dir' for the location of your java source folder and
-#  'out.dir' for the location of your output folder.
-
-# You can also use it define how the release builds are signed by declaring
-# the following properties:
-#  'key.store' for the location of your keystore and
-#  'key.alias' for the name of the key to use.
-# The password will be asked during the build when you use the 'release' target.
-
diff --git a/build/android/build.xml b/build/android/build.xml
deleted file mode 100644
index be5452dc..00000000
--- a/build/android/build.xml
+++ /dev/null
@@ -1,93 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- This should be changed to the name of your project -->
-<project name="TIC" default="help">
-
-    <!-- The local.properties file is created and updated by the 'android' tool.
-         It contains the path to the SDK. It should *NOT* be checked into
-         Version Control Systems. -->
-    <property file="local.properties" />
-
-    <!-- The ant.properties file can be created by you. It is only edited by the
-         'android' tool to add properties to it.
-         This is the place to change some Ant specific build properties.
-         Here are some properties you may want to change/update:
-
-         source.dir
-             The name of the source directory. Default is 'src'.
-         out.dir
-             The name of the output directory. Default is 'bin'.
-
-         For other overridable properties, look at the beginning of the rules
-         files in the SDK, at tools/ant/build.xml
-
-         Properties related to the SDK location or the project target should
-         be updated using the 'android' tool with the 'update' action.
-
-         This file is an integral part of the build system for your
-         application and should be checked into Version Control Systems.
-
-         -->
-    <property file="ant.properties" />
-
-    <!-- if sdk.dir was not set from one of the property file, then
-         get it from the ANDROID_HOME env var.
-         This must be done before we load project.properties since
-         the proguard config can use sdk.dir -->
-    <property environment="env" />
-    <condition property="sdk.dir" value="${env.ANDROID_HOME}">
-        <isset property="env.ANDROID_HOME" />
-    </condition>
-
-    <!-- The project.properties file is created and updated by the 'android'
-         tool, as well as ADT.
-
-         This contains project specific properties such as project target, and library
-         dependencies. Lower level build properties are stored in ant.properties
-         (or in .classpath for Eclipse projects).
-
-         This file is an integral part of the build system for your
-         application and should be checked into Version Control Systems. -->
-    <loadproperties srcFile="project.properties" />
-
-    <!-- quick check on sdk.dir -->
-    <fail
-            message="sdk.dir is missing. Make sure to generate local.properties using 'android update project' or to inject it through the ANDROID_HOME environment variable."
-            unless="sdk.dir"
-    />
-
-    <!--
-        Import per project custom build rules if present at the root of the project.
-        This is the place to put custom intermediary targets such as:
-            -pre-build
-            -pre-compile
-            -post-compile (This is typically used for code obfuscation.
-                           Compiled code location: ${out.classes.absolute.dir}
-                           If this is not done in place, override ${out.dex.input.absolute.dir})
-            -post-package
-            -post-build
-            -pre-clean
-    -->
-    <import file="custom_rules.xml" optional="true" />
-
-    <!-- Import the actual build file.
-
-         To customize existing targets, there are two options:
-         - Customize only one target:
-             - copy/paste the target into this file, *before* the
-               <import> task.
-             - customize it to your needs.
-         - Customize the whole content of build.xml
-             - copy/paste the content of the rules files (minus the top node)
-               into this file, replacing the <import> task.
-             - customize to your needs.
-
-         ***********************
-         ****** IMPORTANT ******
-         ***********************
-         In all cases you must update the value of version-tag below to read 'custom' instead of an integer,
-         in order to avoid having your file be overridden by tools such as "android update project"
-    -->
-    <!-- version-tag: 1 -->
-    <import file="${sdk.dir}/tools/ant/build.xml" />
-
-</project>
diff --git a/build/android/default.properties b/build/android/default.properties
deleted file mode 100644
index 0a69b774..00000000
--- a/build/android/default.properties
+++ /dev/null
@@ -1,11 +0,0 @@
-# This file is automatically generated by Android Tools.
-# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
-# 
-# This file must be checked in Version Control Systems.
-# 
-# To customize properties used by the Ant build system use,
-# "build.properties", and override values to adapt the script to your
-# project structure.
-
-# Project target.
-target=android-16
diff --git a/build/android/gradle.properties b/build/android/gradle.properties
new file mode 100644
index 00000000..c94f459b
--- /dev/null
+++ b/build/android/gradle.properties
@@ -0,0 +1,22 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+
+RELEASE_STORE_FILE=../my-release-key.keystore
+RELEASE_STORE_PASSWORD=123456
+RELEASE_KEY_ALIAS=alias_name
+RELEASE_KEY_PASSWORD=123456
diff --git a/build/android/gradle/wrapper/gradle-wrapper.jar b/build/android/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..13372aef
Binary files /dev/null and b/build/android/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/build/android/gradle/wrapper/gradle-wrapper.properties b/build/android/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 00000000..5dd6067c
--- /dev/null
+++ b/build/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon Oct 30 21:37:25 PDT 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
diff --git a/build/android/gradlew b/build/android/gradlew
new file mode 100644
index 00000000..9d82f789
--- /dev/null
+++ b/build/android/gradlew
@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/build/android/gradlew.bat b/build/android/gradlew.bat
new file mode 100644
index 00000000..8a0b282a
--- /dev/null
+++ b/build/android/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/build/android/jni/Android.mk b/build/android/jni/Android.mk
deleted file mode 100644
index 5053e7d6..00000000
--- a/build/android/jni/Android.mk
+++ /dev/null
@@ -1 +0,0 @@
-include $(call all-subdir-makefiles)
diff --git a/build/android/jni/Application.mk b/build/android/jni/Application.mk
deleted file mode 100644
index 401324f0..00000000
--- a/build/android/jni/Application.mk
+++ /dev/null
@@ -1,9 +0,0 @@
-
-# Uncomment this if you're using STL in your project
-# See CPLUSPLUS-SUPPORT.html in the NDK documentation for more information
-# APP_STL := stlport_static 
-
-APP_ABI := armeabi-v7a x86
-
-# Min SDK level
-APP_PLATFORM=android-14
diff --git a/build/android/jni/SDL2/Android.mk b/build/android/jni/SDL2/Android.mk
deleted file mode 100644
index ce1241e8..00000000
--- a/build/android/jni/SDL2/Android.mk
+++ /dev/null
@@ -1,6 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := SDL2
-LOCAL_SRC_FILES := ../../../../3rd-party/pre-built/android/sdl2/$(TARGET_ARCH_ABI)/libSDL2.so
-include $(PREBUILT_SHARED_LIBRARY)
diff --git a/build/android/jni/gif/Android.mk b/build/android/jni/gif/Android.mk
deleted file mode 100644
index d1c17583..00000000
--- a/build/android/jni/gif/Android.mk
+++ /dev/null
@@ -1,6 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := gif
-LOCAL_SRC_FILES := ../../../../3rd-party/pre-built/android/gif/$(TARGET_ARCH_ABI)/libgif.so
-include $(PREBUILT_SHARED_LIBRARY)
diff --git a/build/android/jni/lua/Android.mk b/build/android/jni/lua/Android.mk
deleted file mode 100644
index 1ec602a1..00000000
--- a/build/android/jni/lua/Android.mk
+++ /dev/null
@@ -1,6 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := lua
-LOCAL_SRC_FILES := ../../../../3rd-party/pre-built/android/lua/$(TARGET_ARCH_ABI)/liblua.so
-include $(PREBUILT_SHARED_LIBRARY)
diff --git a/build/android/jni/sdlgpu/Android.mk b/build/android/jni/sdlgpu/Android.mk
deleted file mode 100644
index 3dd94188..00000000
--- a/build/android/jni/sdlgpu/Android.mk
+++ /dev/null
@@ -1,6 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := sdlgpu
-LOCAL_SRC_FILES := ../../../../3rd-party/pre-built/android/sdlgpu/$(TARGET_ARCH_ABI)/libsdlgpu.so
-include $(PREBUILT_SHARED_LIBRARY)
diff --git a/build/android/jni/src/Android.mk b/build/android/jni/src/Android.mk
deleted file mode 100644
index 576a8dc1..00000000
--- a/build/android/jni/src/Android.mk
+++ /dev/null
@@ -1,64 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_CFLAGS += -O3 -Wall -std=gnu99 -D"log2(x)=(log(x)/log(2))"
-LOCAL_MODULE := main
-
-SRC_PATH := ../../../../src
-THIRD_PARTY_PATH := ../../../../3rd-party
-
-LOCAL_C_INCLUDES := \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/SDL2-2.0.7/include \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/lua-5.3.1/src \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/giflib-5.1.4/lib \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/zlib-1.2.8 \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/duktape/src \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/blip-buf \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/SDL2_net-2.0.1 \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/moonscript \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/wren/src/include \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/sdl-gpu/include \
-	$(LOCAL_PATH)/$(THIRD_PARTY_PATH)/fennel \
-	$(LOCAL_PATH)/../../../../include
-
-# Add your application source files here...
-LOCAL_SRC_FILES := \
-	$(THIRD_PARTY_PATH)/duktape/src/duktape.c \
-	$(THIRD_PARTY_PATH)/blip-buf/blip_buf.c \
-	$(THIRD_PARTY_PATH)/SDL2_net-2.0.1/SDLnet.c \
-	$(THIRD_PARTY_PATH)/SDL2_net-2.0.1/SDLnetTCP.c \
-	$(THIRD_PARTY_PATH)/SDL2_net-2.0.1/SDLnetselect.c \
-	$(SRC_PATH)/studio.c \
-	$(SRC_PATH)/console.c \
-	$(SRC_PATH)/html.c \
-	$(SRC_PATH)/run.c \
-	$(SRC_PATH)/ext/file_dialog.c \
-	$(SRC_PATH)/ext/md5.c \
-	$(SRC_PATH)/ext/gif.c \
-	$(SRC_PATH)/fs.c \
-	$(SRC_PATH)/tools.c \
-	$(SRC_PATH)/start.c \
-	$(SRC_PATH)/sprite.c \
-	$(SRC_PATH)/map.c \
-	$(SRC_PATH)/sfx.c \
-	$(SRC_PATH)/music.c \
-	$(SRC_PATH)/history.c \
-	$(SRC_PATH)/world.c \
-	$(SRC_PATH)/code.c \
-	$(SRC_PATH)/config.c \
-	$(SRC_PATH)/net.c \
-	$(SRC_PATH)/luaapi.c \
-	$(SRC_PATH)/jsapi.c \
-	$(SRC_PATH)/wrenapi.c \
-	$(SRC_PATH)/tic.c \
-	$(SRC_PATH)/dialog.c \
-	$(SRC_PATH)/menu.c \
-	$(SRC_PATH)/surf.c \
-	$(SRC_PATH)/tic80.c \
-	$(SRC_PATH)/system.c
-
-LOCAL_SHARED_LIBRARIES := SDL2 lua z gif wren sdlgpu
-
-LOCAL_LDLIBS := -lGLESv1_CM -lGLESv2 -llog
-
-include $(BUILD_SHARED_LIBRARY)
diff --git a/build/android/jni/src/Android_static.mk b/build/android/jni/src/Android_static.mk
deleted file mode 100644
index faed669c..00000000
--- a/build/android/jni/src/Android_static.mk
+++ /dev/null
@@ -1,12 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := main
-
-LOCAL_SRC_FILES := YourSourceHere.c
-
-LOCAL_STATIC_LIBRARIES := SDL2_static
-
-include $(BUILD_SHARED_LIBRARY)
-$(call import-module,SDL)LOCAL_PATH := $(call my-dir)
diff --git a/build/android/jni/wren/Android.mk b/build/android/jni/wren/Android.mk
deleted file mode 100644
index 1e101a6c..00000000
--- a/build/android/jni/wren/Android.mk
+++ /dev/null
@@ -1,6 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := wren
-LOCAL_SRC_FILES := ../../../../3rd-party/pre-built/android/wren/$(TARGET_ARCH_ABI)/libwren.so
-include $(PREBUILT_SHARED_LIBRARY)
diff --git a/build/android/jni/zlib/Android.mk b/build/android/jni/zlib/Android.mk
deleted file mode 100644
index 605795de..00000000
--- a/build/android/jni/zlib/Android.mk
+++ /dev/null
@@ -1,6 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := z
-LOCAL_SRC_FILES := ../../../../3rd-party/pre-built/android/zlib/$(TARGET_ARCH_ABI)/libz.so
-include $(PREBUILT_SHARED_LIBRARY)
diff --git a/build/android/project.properties b/build/android/project.properties
deleted file mode 100644
index 9b84a6b4..00000000
--- a/build/android/project.properties
+++ /dev/null
@@ -1,14 +0,0 @@
-# This file is automatically generated by Android Tools.
-# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
-#
-# This file must be checked in Version Control Systems.
-#
-# To customize properties used by the Ant build system edit
-# "ant.properties", and override values to adapt the script to your
-# project structure.
-#
-# To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
-#proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
-
-# Project target.
-target=android-16
diff --git a/build/android/settings.gradle b/build/android/settings.gradle
new file mode 100644
index 00000000..e7b4def4
--- /dev/null
+++ b/build/android/settings.gradle
@@ -0,0 +1 @@
+include ':app'
diff --git a/build/android/src/org/libsdl/app/SDL.java b/build/android/src/org/libsdl/app/SDL.java
deleted file mode 100644
index cfe48309..00000000
--- a/build/android/src/org/libsdl/app/SDL.java
+++ /dev/null
@@ -1,37 +0,0 @@
-package org.libsdl.app;
-
-import android.content.Context;
-
-/**
-    SDL library initialization
-*/
-public class SDL {
-
-    // This function should be called first and sets up the native code
-    // so it can call into the Java classes
-    public static void setupJNI() {
-        SDLActivity.nativeSetupJNI();
-        SDLAudioManager.nativeSetupJNI();
-        SDLControllerManager.nativeSetupJNI();
-    }
-
-    // This function should be called each time the activity is started
-    public static void initialize() {
-        setContext(null);
-
-        SDLActivity.initialize();
-        SDLAudioManager.initialize();
-        SDLControllerManager.initialize();
-    }
-
-    // This function stores the current activity (SDL or not)
-    public static void setContext(Context context) {
-        mContext = context;
-    }
-
-    public static Context getContext() {
-        return mContext;
-    }
-
-    protected static Context mContext;
-}
diff --git a/build/android/src/org/libsdl/app/SDLAudioManager.java b/build/android/src/org/libsdl/app/SDLAudioManager.java
deleted file mode 100644
index 26baf822..00000000
--- a/build/android/src/org/libsdl/app/SDLAudioManager.java
+++ /dev/null
@@ -1,178 +0,0 @@
-package org.libsdl.app;
-
-import android.media.*;
-import android.util.Log;
-
-public class SDLAudioManager
-{
-    protected static final String TAG = "SDLAudio";
-
-    protected static AudioTrack mAudioTrack;
-    protected static AudioRecord mAudioRecord;
-
-    public static void initialize() {
-        mAudioTrack = null;
-        mAudioRecord = null;
-    }
-
-    // Audio
-
-    /**
-     * This method is called by SDL using JNI.
-     */
-    public static int audioOpen(int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
-        int channelConfig = isStereo ? AudioFormat.CHANNEL_CONFIGURATION_STEREO : AudioFormat.CHANNEL_CONFIGURATION_MONO;
-        int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
-        int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
-
-        Log.v(TAG, "SDL audio: wanted " + (isStereo ? "stereo" : "mono") + " " + (is16Bit ? "16-bit" : "8-bit") + " " + (sampleRate / 1000f) + "kHz, " + desiredFrames + " frames buffer");
-
-        // Let the user pick a larger buffer if they really want -- but ye
-        // gods they probably shouldn't, the minimums are horrifyingly high
-        // latency already
-        desiredFrames = Math.max(desiredFrames, (AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1) / frameSize);
-
-        if (mAudioTrack == null) {
-            mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate,
-                    channelConfig, audioFormat, desiredFrames * frameSize, AudioTrack.MODE_STREAM);
-
-            // Instantiating AudioTrack can "succeed" without an exception and the track may still be invalid
-            // Ref: https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/media/java/android/media/AudioTrack.java
-            // Ref: http://developer.android.com/reference/android/media/AudioTrack.html#getState()
-
-            if (mAudioTrack.getState() != AudioTrack.STATE_INITIALIZED) {
-                Log.e(TAG, "Failed during initialization of Audio Track");
-                mAudioTrack = null;
-                return -1;
-            }
-
-            mAudioTrack.play();
-        }
-
-        Log.v(TAG, "SDL audio: got " + ((mAudioTrack.getChannelCount() >= 2) ? "stereo" : "mono") + " " + ((mAudioTrack.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit" : "8-bit") + " " + (mAudioTrack.getSampleRate() / 1000f) + "kHz, " + desiredFrames + " frames buffer");
-
-        return 0;
-    }
-
-    /**
-     * This method is called by SDL using JNI.
-     */
-    public static void audioWriteShortBuffer(short[] buffer) {
-        if (mAudioTrack == null) {
-            Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
-            return;
-        }
-
-        for (int i = 0; i < buffer.length; ) {
-            int result = mAudioTrack.write(buffer, i, buffer.length - i);
-            if (result > 0) {
-                i += result;
-            } else if (result == 0) {
-                try {
-                    Thread.sleep(1);
-                } catch(InterruptedException e) {
-                    // Nom nom
-                }
-            } else {
-                Log.w(TAG, "SDL audio: error return from write(short)");
-                return;
-            }
-        }
-    }
-
-    /**
-     * This method is called by SDL using JNI.
-     */
-    public static void audioWriteByteBuffer(byte[] buffer) {
-        if (mAudioTrack == null) {
-            Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
-            return;
-        }
-        
-        for (int i = 0; i < buffer.length; ) {
-            int result = mAudioTrack.write(buffer, i, buffer.length - i);
-            if (result > 0) {
-                i += result;
-            } else if (result == 0) {
-                try {
-                    Thread.sleep(1);
-                } catch(InterruptedException e) {
-                    // Nom nom
-                }
-            } else {
-                Log.w(TAG, "SDL audio: error return from write(byte)");
-                return;
-            }
-        }
-    }
-
-    /**
-     * This method is called by SDL using JNI.
-     */
-    public static int captureOpen(int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
-        int channelConfig = isStereo ? AudioFormat.CHANNEL_CONFIGURATION_STEREO : AudioFormat.CHANNEL_CONFIGURATION_MONO;
-        int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
-        int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
-
-        Log.v(TAG, "SDL capture: wanted " + (isStereo ? "stereo" : "mono") + " " + (is16Bit ? "16-bit" : "8-bit") + " " + (sampleRate / 1000f) + "kHz, " + desiredFrames + " frames buffer");
-
-        // Let the user pick a larger buffer if they really want -- but ye
-        // gods they probably shouldn't, the minimums are horrifyingly high
-        // latency already
-        desiredFrames = Math.max(desiredFrames, (AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1) / frameSize);
-
-        if (mAudioRecord == null) {
-            mAudioRecord = new AudioRecord(MediaRecorder.AudioSource.DEFAULT, sampleRate,
-                    channelConfig, audioFormat, desiredFrames * frameSize);
-
-            // see notes about AudioTrack state in audioOpen(), above. Probably also applies here.
-            if (mAudioRecord.getState() != AudioRecord.STATE_INITIALIZED) {
-                Log.e(TAG, "Failed during initialization of AudioRecord");
-                mAudioRecord.release();
-                mAudioRecord = null;
-                return -1;
-            }
-
-            mAudioRecord.startRecording();
-        }
-
-        Log.v(TAG, "SDL capture: got " + ((mAudioRecord.getChannelCount() >= 2) ? "stereo" : "mono") + " " + ((mAudioRecord.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit" : "8-bit") + " " + (mAudioRecord.getSampleRate() / 1000f) + "kHz, " + desiredFrames + " frames buffer");
-
-        return 0;
-    }
-
-    /** This method is called by SDL using JNI. */
-    public static int captureReadShortBuffer(short[] buffer, boolean blocking) {
-        // !!! FIXME: this is available in API Level 23. Until then, we always block.  :(
-        //return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
-        return mAudioRecord.read(buffer, 0, buffer.length);
-    }
-
-    /** This method is called by SDL using JNI. */
-    public static int captureReadByteBuffer(byte[] buffer, boolean blocking) {
-        // !!! FIXME: this is available in API Level 23. Until then, we always block.  :(
-        //return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
-        return mAudioRecord.read(buffer, 0, buffer.length);
-    }
-
-
-    /** This method is called by SDL using JNI. */
-    public static void audioClose() {
-        if (mAudioTrack != null) {
-            mAudioTrack.stop();
-            mAudioTrack.release();
-            mAudioTrack = null;
-        }
-    }
-
-    /** This method is called by SDL using JNI. */
-    public static void captureClose() {
-        if (mAudioRecord != null) {
-            mAudioRecord.stop();
-            mAudioRecord.release();
-            mAudioRecord = null;
-        }
-    }
-
-    public static native int nativeSetupJNI();
-}
diff --git a/build/android/src/org/libsdl/app/SDLControllerManager.java b/build/android/src/org/libsdl/app/SDLControllerManager.java
deleted file mode 100644
index 34729f62..00000000
--- a/build/android/src/org/libsdl/app/SDLControllerManager.java
+++ /dev/null
@@ -1,432 +0,0 @@
-package org.libsdl.app;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
-import android.content.Context;
-import android.os.*;
-import android.view.*;
-import android.util.Log;
-
-
-public class SDLControllerManager 
-{
-
-    public static native int nativeSetupJNI();
-
-    public static native int nativeAddJoystick(int device_id, String name, String desc,
-                                               int is_accelerometer, int nbuttons,
-                                               int naxes, int nhats, int nballs);
-    public static native int nativeRemoveJoystick(int device_id);
-    public static native int nativeAddHaptic(int device_id, String name);
-    public static native int nativeRemoveHaptic(int device_id);
-    public static native int onNativePadDown(int device_id, int keycode);
-    public static native int onNativePadUp(int device_id, int keycode);
-    public static native void onNativeJoy(int device_id, int axis,
-                                          float value);
-    public static native void onNativeHat(int device_id, int hat_id,
-                                          int x, int y);
-
-    protected static SDLJoystickHandler mJoystickHandler;
-    protected static SDLHapticHandler mHapticHandler;
-
-    private static final String TAG = "SDLControllerManager";
-
-    public static void initialize() {
-        mJoystickHandler = null;
-        mHapticHandler = null;
-
-        SDLControllerManager.setup();
-    }
-
-    public static void setup() {
-        if (Build.VERSION.SDK_INT >= 16) {
-            mJoystickHandler = new SDLJoystickHandler_API16();
-        } else if (Build.VERSION.SDK_INT >= 12) {
-            mJoystickHandler = new SDLJoystickHandler_API12();
-        } else {
-            mJoystickHandler = new SDLJoystickHandler();
-        }
-        mHapticHandler = new SDLHapticHandler();
-    }
-
-    // Joystick glue code, just a series of stubs that redirect to the SDLJoystickHandler instance
-    public static boolean handleJoystickMotionEvent(MotionEvent event) {
-        return mJoystickHandler.handleMotionEvent(event);
-    }
-
-    /**
-     * This method is called by SDL using JNI.
-     */
-    public static void pollInputDevices() {
-        mJoystickHandler.pollInputDevices();
-    }
-
-    /**
-     * This method is called by SDL using JNI.
-     */
-    public static void pollHapticDevices() {
-        mHapticHandler.pollHapticDevices();
-    }
-
-    /**
-     * This method is called by SDL using JNI.
-     */
-    public static void hapticRun(int device_id, int length) {
-        mHapticHandler.run(device_id, length);
-    }
-
-    // Check if a given device is considered a possible SDL joystick
-    public static boolean isDeviceSDLJoystick(int deviceId) {
-        InputDevice device = InputDevice.getDevice(deviceId);
-        // We cannot use InputDevice.isVirtual before API 16, so let's accept
-        // only nonnegative device ids (VIRTUAL_KEYBOARD equals -1)
-        if ((device == null) || (deviceId < 0)) {
-            return false;
-        }
-        int sources = device.getSources();
-
-        if ((sources & InputDevice.SOURCE_CLASS_JOYSTICK) == InputDevice.SOURCE_CLASS_JOYSTICK) {
-            Log.v(TAG, "Input device " + device.getName() + " is a joystick.");
-        }
-        if ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) {
-            Log.v(TAG, "Input device " + device.getName() + " is a dpad.");
-        }
-        if ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD) {
-            Log.v(TAG, "Input device " + device.getName() + " is a gamepad.");
-        }
-
-        return (((sources & InputDevice.SOURCE_CLASS_JOYSTICK) == InputDevice.SOURCE_CLASS_JOYSTICK) ||
-                ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) ||
-                ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD)
-        );
-    }
-
-}
-
-/* A null joystick handler for API level < 12 devices (the accelerometer is handled separately) */
-class SDLJoystickHandler {
-
-    /**
-     * Handles given MotionEvent.
-     * @param event the event to be handled.
-     * @return if given event was processed.
-     */
-    public boolean handleMotionEvent(MotionEvent event) {
-        return false;
-    }
-
-    /**
-     * Handles adding and removing of input devices.
-     */
-    public void pollInputDevices() {
-    }
-}
-
-/* Actual joystick functionality available for API >= 12 devices */
-class SDLJoystickHandler_API12 extends SDLJoystickHandler {
-
-    static class SDLJoystick {
-        public int device_id;
-        public String name;
-        public String desc;
-        public ArrayList<InputDevice.MotionRange> axes;
-        public ArrayList<InputDevice.MotionRange> hats;
-    }
-    static class RangeComparator implements Comparator<InputDevice.MotionRange> {
-        @Override
-        public int compare(InputDevice.MotionRange arg0, InputDevice.MotionRange arg1) {
-            return arg0.getAxis() - arg1.getAxis();
-        }
-    }
-
-    private ArrayList<SDLJoystick> mJoysticks;
-
-    public SDLJoystickHandler_API12() {
-
-        mJoysticks = new ArrayList<SDLJoystick>();
-    }
-
-    @Override
-    public void pollInputDevices() {
-        int[] deviceIds = InputDevice.getDeviceIds();
-        // It helps processing the device ids in reverse order
-        // For example, in the case of the XBox 360 wireless dongle,
-        // so the first controller seen by SDL matches what the receiver
-        // considers to be the first controller
-
-        for(int i=deviceIds.length-1; i>-1; i--) {
-            SDLJoystick joystick = getJoystick(deviceIds[i]);
-            if (joystick == null) {
-                joystick = new SDLJoystick();
-                InputDevice joystickDevice = InputDevice.getDevice(deviceIds[i]);
-                if (SDLControllerManager.isDeviceSDLJoystick(deviceIds[i])) {
-                    joystick.device_id = deviceIds[i];
-                    joystick.name = joystickDevice.getName();
-                    joystick.desc = getJoystickDescriptor(joystickDevice);
-                    joystick.axes = new ArrayList<InputDevice.MotionRange>();
-                    joystick.hats = new ArrayList<InputDevice.MotionRange>();
-
-                    List<InputDevice.MotionRange> ranges = joystickDevice.getMotionRanges();
-                    Collections.sort(ranges, new RangeComparator());
-                    for (InputDevice.MotionRange range : ranges ) {
-                        if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
-                            if (range.getAxis() == MotionEvent.AXIS_HAT_X ||
-                                range.getAxis() == MotionEvent.AXIS_HAT_Y) {
-                                joystick.hats.add(range);
-                            }
-                            else {
-                                joystick.axes.add(range);
-                            }
-                        }
-                    }
-
-                    mJoysticks.add(joystick);
-                    SDLControllerManager.nativeAddJoystick(joystick.device_id, joystick.name, joystick.desc, 0, -1,
-                                                           joystick.axes.size(), joystick.hats.size()/2, 0);
-                }
-            }
-        }
-
-        /* Check removed devices */
-        ArrayList<Integer> removedDevices = new ArrayList<Integer>();
-        for(int i=0; i < mJoysticks.size(); i++) {
-            int device_id = mJoysticks.get(i).device_id;
-            int j;
-            for (j=0; j < deviceIds.length; j++) {
-                if (device_id == deviceIds[j]) break;
-            }
-            if (j == deviceIds.length) {
-                removedDevices.add(Integer.valueOf(device_id));
-            }
-        }
-
-        for(int i=0; i < removedDevices.size(); i++) {
-            int device_id = removedDevices.get(i).intValue();
-            SDLControllerManager.nativeRemoveJoystick(device_id);
-            for (int j=0; j < mJoysticks.size(); j++) {
-                if (mJoysticks.get(j).device_id == device_id) {
-                    mJoysticks.remove(j);
-                    break;
-                }
-            }
-        }
-    }
-
-    protected SDLJoystick getJoystick(int device_id) {
-        for(int i=0; i < mJoysticks.size(); i++) {
-            if (mJoysticks.get(i).device_id == device_id) {
-                return mJoysticks.get(i);
-            }
-        }
-        return null;
-    }
-
-    @Override
-    public boolean handleMotionEvent(MotionEvent event) {
-        if ((event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
-            int actionPointerIndex = event.getActionIndex();
-            int action = event.getActionMasked();
-            switch(action) {
-                case MotionEvent.ACTION_MOVE:
-                    SDLJoystick joystick = getJoystick(event.getDeviceId());
-                    if ( joystick != null ) {
-                        for (int i = 0; i < joystick.axes.size(); i++) {
-                            InputDevice.MotionRange range = joystick.axes.get(i);
-                            /* Normalize the value to -1...1 */
-                            float value = ( event.getAxisValue( range.getAxis(), actionPointerIndex) - range.getMin() ) / range.getRange() * 2.0f - 1.0f;
-                            SDLControllerManager.onNativeJoy(joystick.device_id, i, value );
-                        }
-                        for (int i = 0; i < joystick.hats.size(); i+=2) {
-                            int hatX = Math.round(event.getAxisValue( joystick.hats.get(i).getAxis(), actionPointerIndex ) );
-                            int hatY = Math.round(event.getAxisValue( joystick.hats.get(i+1).getAxis(), actionPointerIndex ) );
-                            SDLControllerManager.onNativeHat(joystick.device_id, i/2, hatX, hatY );
-                        }
-                    }
-                    break;
-                default:
-                    break;
-            }
-        }
-        return true;
-    }
-
-    public String getJoystickDescriptor(InputDevice joystickDevice) {
-        return joystickDevice.getName();
-    }
-}
-
-
-class SDLJoystickHandler_API16 extends SDLJoystickHandler_API12 {
-
-    @Override
-    public String getJoystickDescriptor(InputDevice joystickDevice) {
-        String desc = joystickDevice.getDescriptor();
-
-        if (desc != null && desc != "") {
-            return desc;
-        }
-
-        return super.getJoystickDescriptor(joystickDevice);
-    }
-}
-
-class SDLHapticHandler {
-
-    class SDLHaptic {
-        public int device_id;
-        public String name;
-        public Vibrator vib;
-    }
-
-    private ArrayList<SDLHaptic> mHaptics;
-    
-    public SDLHapticHandler() {
-        mHaptics = new ArrayList<SDLHaptic>();
-    }
-
-    public void run(int device_id, int length) {
-        SDLHaptic haptic = getHaptic(device_id);
-        if (haptic != null) {
-            haptic.vib.vibrate (length);
-        }
-    }
-
-    public void pollHapticDevices() {
-        
-        final int deviceId_VIBRATOR_SERVICE = 999999;
-        boolean hasVibratorService = false;
-
-        int[] deviceIds = InputDevice.getDeviceIds();
-        // It helps processing the device ids in reverse order
-        // For example, in the case of the XBox 360 wireless dongle,
-        // so the first controller seen by SDL matches what the receiver
-        // considers to be the first controller
-
-        if (Build.VERSION.SDK_INT >= 16)
-        {
-            for (int i = deviceIds.length - 1; i > -1; i--) {
-                SDLHaptic haptic = getHaptic(deviceIds[i]);
-                if (haptic == null) {
-                    InputDevice device = InputDevice.getDevice(deviceIds[i]);
-                    Vibrator vib = device.getVibrator();
-                    if (vib.hasVibrator()) {
-                        haptic = new SDLHaptic();
-                        haptic.device_id = deviceIds[i];
-                        haptic.name = device.getName();
-                        haptic.vib = vib;
-                        mHaptics.add(haptic);
-                        SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
-                    }
-                }
-            }
-        }
-
-        /* Check VIBRATOR_SERVICE */
-        Vibrator vib = (Vibrator) SDL.getContext().getSystemService(Context.VIBRATOR_SERVICE);
-        if (vib != null) {
-            if (Build.VERSION.SDK_INT >= 11) {
-                hasVibratorService = vib.hasVibrator();
-            } else {
-                hasVibratorService = true;
-            }
-
-            if (hasVibratorService) {
-                SDLHaptic haptic = getHaptic(deviceId_VIBRATOR_SERVICE);
-                if (haptic == null) {
-                    haptic = new SDLHaptic();
-                    haptic.device_id = deviceId_VIBRATOR_SERVICE;
-                    haptic.name = "VIBRATOR_SERVICE";
-                    haptic.vib = vib; 
-                    mHaptics.add(haptic);
-                    SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
-                }
-            }
-        }
-
-        /* Check removed devices */
-        ArrayList<Integer> removedDevices = new ArrayList<Integer>();
-        for(int i=0; i < mHaptics.size(); i++) {
-            int device_id = mHaptics.get(i).device_id;
-            int j;
-            for (j=0; j < deviceIds.length; j++) {
-                if (device_id == deviceIds[j]) break;
-            }
-
-            if (device_id == deviceId_VIBRATOR_SERVICE && hasVibratorService) {
-                // don't remove the vibrator if it is still present
-            } else if (j == deviceIds.length) {
-                removedDevices.add(device_id);
-            }
-        }
-
-        for(int i=0; i < removedDevices.size(); i++) {
-            int device_id = removedDevices.get(i);
-            SDLControllerManager.nativeRemoveHaptic(device_id);
-            for (int j=0; j < mHaptics.size(); j++) {
-                if (mHaptics.get(j).device_id == device_id) {
-                    mHaptics.remove(j);
-                    break;
-                }
-            }
-        }
-    }
-
-    protected SDLHaptic getHaptic(int device_id) {
-        for(int i=0; i < mHaptics.size(); i++) {
-            if (mHaptics.get(i).device_id == device_id) {
-                return mHaptics.get(i);
-            }
-        }
-        return null;
-    }   
-}
-
-class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
-    // Generic Motion (mouse hover, joystick...) events go here
-    @Override
-    public boolean onGenericMotion(View v, MotionEvent event) {
-        float x, y;
-        int action;
-
-        switch ( event.getSource() ) {
-            case InputDevice.SOURCE_JOYSTICK:
-            case InputDevice.SOURCE_GAMEPAD:
-            case InputDevice.SOURCE_DPAD:
-                return SDLControllerManager.handleJoystickMotionEvent(event);
-
-            case InputDevice.SOURCE_MOUSE:
-                if (!SDLActivity.mSeparateMouseAndTouch) {
-                    break;
-                }
-                action = event.getActionMasked();
-                switch (action) {
-                    case MotionEvent.ACTION_SCROLL:
-                        x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
-                        y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
-                        SDLActivity.onNativeMouse(0, action, x, y);
-                        return true;
-
-                    case MotionEvent.ACTION_HOVER_MOVE:
-                        x = event.getX(0);
-                        y = event.getY(0);
-
-                        SDLActivity.onNativeMouse(0, action, x, y);
-                        return true;
-
-                    default:
-                        break;
-                }
-                break;
-
-            default:
-                break;
-        }
-
-        // Event was not managed
-        return false;
-    }
-}
-
diff --git a/build/android/store/0.png b/build/android/store/0.png
deleted file mode 100644
index c45ae7f1..00000000
Binary files a/build/android/store/0.png and /dev/null differ
diff --git a/build/android/store/1.png b/build/android/store/1.png
deleted file mode 100644
index 6f57c8ed..00000000
Binary files a/build/android/store/1.png and /dev/null differ
diff --git a/build/android/store/2.png b/build/android/store/2.png
deleted file mode 100644
index 32898432..00000000
Binary files a/build/android/store/2.png and /dev/null differ
diff --git a/build/android/store/3.png b/build/android/store/3.png
deleted file mode 100644
index 4e873346..00000000
Binary files a/build/android/store/3.png and /dev/null differ
diff --git a/build/android/store/logo-1024x500.png b/build/android/store/logo-1024x500.png
deleted file mode 100644
index 444505a1..00000000
Binary files a/build/android/store/logo-1024x500.png and /dev/null differ
diff --git a/build/android/store/logo-512.png b/build/android/store/logo-512.png
deleted file mode 100644
index c2232d7b..00000000
Binary files a/build/android/store/logo-512.png and /dev/null differ
diff --git a/build_demos.sh b/build_demos.sh
new file mode 100644
index 00000000..5998a895
--- /dev/null
+++ b/build_demos.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+cmake -DBUILD_SDL=Off -DBUILD_SOKOL=Off .
+make generate_demo_carts
+git clean -xdf -e *.tic.dat
+git submodule foreach --recursive git clean -xfd
diff --git a/include/tic80_config.h b/include/tic80_config.h
index 8794620c..9fc7dbba 100644
--- a/include/tic80_config.h
+++ b/include/tic80_config.h
@@ -73,9 +73,12 @@
 #	endif
 #endif 
 
-#if (defined(linux) || defined(__linux) || defined(__linux__))
+#if defined(ANDROID) || defined(__ANDROID__)
+#	undef __TIC_ANDROID__
+#	define __TIC_ANDROID__ 1
+#elif (defined(linux) || defined(__linux) || defined(__linux__))
 #	undef __TIC_LINUX__
-#	define __TIC_LINUX__   1
+#	define __TIC_LINUX__ 1
 #endif
 
 #ifndef TIC80_API
diff --git a/src/config.c b/src/config.c
index fd3a5138..f132175a 100644
--- a/src/config.c
+++ b/src/config.c
@@ -290,7 +290,6 @@ static void setDefault(Config* config)
 
 	config->data.cart = &config->cart;
 
-#if BUILD_DEMO_CARTS
 	{
 		static const u8 DefaultBiosZip[] = 
 		{
@@ -307,7 +306,6 @@ static void setDefault(Config* config)
 			free(embedBios);
 		}
 	}
-#endif
 }
 
 static void saveConfig(Config* config, bool overwrite)
diff --git a/src/console.c b/src/console.c
index 188f3752..cf33c63b 100644
--- a/src/console.c
+++ b/src/console.c
@@ -510,7 +510,6 @@ static void* getDemoCart(Console* console, ScriptLang script, s32* size)
 
 	switch(script)
 	{
-#if defined(BUILD_DEMO_CARTS)
 #if defined(TIC_BUILD_WITH_LUA)
 	case LuaScript:
 		{
@@ -596,7 +595,6 @@ static void* getDemoCart(Console* console, ScriptLang script, s32* size)
 		}
 		break;
 #endif /* defined(TIC_BUILD_WITH_SQUIRREL) */
-#endif /* BUILD_DEMO_CARTS */
 	}
 
 	u8* data = NULL;
@@ -1448,7 +1446,6 @@ static void installDemoCart(FileSystem* fs, const char* name, const void* cart,
 
 static void onConsoleInstallDemosCommand(Console* console, const char* param)
 {
-#if BUILD_DEMO_CARTS
 	static const u8 DemoFire[] =
 	{
 		#include "../bin/assets/fire.tic.dat"
@@ -1493,13 +1490,11 @@ static void onConsoleInstallDemosCommand(Console* console, const char* param)
 	{
 		#include "../bin/assets/benchmark.tic.dat"
 	};
-#endif
 
 	FileSystem* fs = console->fs;
 
 	static const struct {const char* name; const u8* data; s32 size;} Demos[] =
 	{
-#if BUILD_DEMO_CARTS
 		{"fire.tic", 		DemoFire, 		sizeof DemoFire},
 		{"font.tic", 		DemoFont, 		sizeof DemoFont},
 		{"music.tic", 		DemoMusic, 		sizeof DemoMusic},
@@ -1509,7 +1504,6 @@ static void onConsoleInstallDemosCommand(Console* console, const char* param)
 		{"sfx.tic", 		DemoSFX, 		sizeof DemoSFX},
 		{"tetris.tic", 		GameTetris, 	sizeof GameTetris},
 		{"benchmark.tic", 	Benchmark, 		sizeof Benchmark},
-#endif
 	};
 
 	printBack(console, "\nadded carts:\n\n");
@@ -2044,7 +2038,8 @@ static void onConsoleExportCommand(Console* console, const char* param)
 	}
 	else
 	{
-		onConsoleExportNativeCommand(console, getExportName(console));
+		printError(console, "\nhtml export not implemented\n");
+		commandDone(console);
 	}
 }
 
diff --git a/src/ext/file_dialog.c b/src/ext/file_dialog.c
index 65df691a..a6aa8712 100644
--- a/src/ext/file_dialog.c
+++ b/src/ext/file_dialog.c
@@ -347,6 +347,7 @@ void file_dialog_save(file_dialog_save_callback callback, const char* name, cons
 
 #elif defined(__TIC_ANDROID__)
 
+#include <stdlib.h>
 #include <jni.h>
 #include <sys/stat.h>