diff --git a/project/java/Audio.java b/project/java/Audio.java
index ae343f393..f5701a0c0 100644
--- a/project/java/Audio.java
+++ b/project/java/Audio.java
@@ -33,7 +33,6 @@ import android.media.AudioTrack;
 import android.media.AudioManager;
 import android.media.AudioFormat;
 import java.io.*;
-import java.nio.ByteBuffer;
 import android.util.Log;
 import java.lang.Thread;
 
diff --git a/project/java/DataDownloader.java b/project/java/DataDownloader.java
index 5565b53d0..462da44f6 100644
--- a/project/java/DataDownloader.java
+++ b/project/java/DataDownloader.java
@@ -471,7 +471,7 @@ class DataDownloader extends Thread
 				
 				try {
 					CheckedInputStream check = new CheckedInputStream( new FileInputStream(path), new CRC32() );
-					while( check.read(buf, 0, buf.length) > 0 ) {};
+					while( check.read(buf, 0, buf.length) >= 0 ) {};
 					check.close();
 					if( check.getChecksum().getValue() != entry.getCrc() )
 					{
@@ -525,19 +525,26 @@ class DataDownloader extends Thread
 				}
 				
 				try {
+					long count = 0, ret = 0;
 					CheckedInputStream check = new CheckedInputStream( new FileInputStream(path), new CRC32() );
-					while( check.read(buf, 0, buf.length) > 0 ) {};
+					while( ret >= 0 )
+					{
+						count += ret;
+						ret = check.read(buf, 0, buf.length);
+					}
 					check.close();
-					if( check.getChecksum().getValue() != entry.getCrc() )
+					if( check.getChecksum().getValue() != entry.getCrc() || count != entry.getSize() )
 					{
 						File ff = new File(path);
 						ff.delete();
+						System.out.println("Saving file '" + path + "' - CRC check failed, ZIP: " +
+											String.format("%x", entry.getCrc()) + " actual file: " + String.format("%x", check.getChecksum().getValue()) +
+											" file size in ZIP: " + entry.getSize() + " actual size " + count );
 						throw new Exception();
 					}
 				} catch( Exception e )
 				{
 					Status.setText( res.getString(R.string.error_write, path) );
-					System.out.println("Saving file '" + path + "' - CRC check failed");
 					return false;
 				}
 				System.out.println("Saving file '" + path + "' done");
diff --git a/project/java/MainActivity.java b/project/java/MainActivity.java
index 09e4d0e1f..16e43e69c 100644
--- a/project/java/MainActivity.java
+++ b/project/java/MainActivity.java
@@ -70,6 +70,7 @@ public class MainActivity extends Activity {
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 
+		instance = this;
 		// fullscreen mode
 		requestWindowFeature(Window.FEATURE_NO_TITLE);
 		getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
@@ -697,5 +698,5 @@ public class MainActivity extends Activity {
 	private InputMethodManager _inputManager = null;
 
 	public LinkedList<Integer> textInput = new LinkedList<Integer> ();
-
+	public static MainActivity instance = null;
 }
diff --git a/project/java/Settings.java b/project/java/Settings.java
index a2c40f789..16b1f8869 100644
--- a/project/java/Settings.java
+++ b/project/java/Settings.java
@@ -2553,6 +2553,7 @@ class Settings
 													int leftClickTimeout, int rightClickTimeout,
 													int relativeMovement, int relativeMovementSpeed,
 													int relativeMovementAccel, int showMouseCursor);
+	public static native void nativeSetExternalMouseDetected();
 	private static native void nativeSetJoystickUsed();
 	private static native void nativeSetMultitouchUsed();
 	private static native void nativeSetTouchscreenKeyboardUsed();
diff --git a/project/java/Video.java b/project/java/Video.java
index 3427acd24..c7b7c4711 100644
--- a/project/java/Video.java
+++ b/project/java/Video.java
@@ -45,6 +45,7 @@ import android.graphics.Bitmap;
 import android.graphics.drawable.BitmapDrawable;
 import android.content.res.Resources;
 import android.content.res.AssetManager;
+import android.widget.Toast;
 
 import android.widget.TextView;
 import java.lang.Thread;
@@ -87,6 +88,8 @@ class Mouse
 
 abstract class DifferentTouchInput
 {
+	public static boolean ExternalMouseDetected = true;
+
 	public static DifferentTouchInput getInstance()
 	{
 		boolean multiTouchAvailable1 = false;
@@ -223,8 +226,8 @@ abstract class DifferentTouchInput
 						if( touchEvents[id].down )
 							action = Mouse.SDL_FINGER_MOVE;
 						else
-							action = Mouse.SDL_FINGER_DOWN;
-						touchEvents[id].down = true;
+							action = Mouse.SDL_FINGER_HOVER; //action = Mouse.SDL_FINGER_DOWN;
+						//touchEvents[id].down = true;
 						touchEvents[id].x = (int)event.getX(ii);
 						touchEvents[id].y = (int)event.getY(ii);
 						touchEvents[id].pressure = (int)(event.getPressure(ii) * 1000.0);
@@ -247,6 +250,12 @@ abstract class DifferentTouchInput
 				touchEvents[0].size = 0;
 				DemoGLSurfaceView.nativeMouse( touchEvents[0].x, touchEvents[0].y, action, 0, touchEvents[0].pressure, touchEvents[0].size );
 			}
+			if( action == Mouse.SDL_FINGER_HOVER && !ExternalMouseDetected )
+			{
+				ExternalMouseDetected = true;
+				Settings.nativeSetExternalMouseDetected();
+				Toast.makeText(MainActivity.instance, R.string.hardware_mouse_detected, Toast.LENGTH_SHORT).show();
+			}
 		}
 	}
 }
@@ -325,6 +334,7 @@ class DemoRenderer extends GLSurfaceView_SDL.Renderer
 		}
 
 		Settings.Apply(context);
+		DifferentTouchInput.ExternalMouseDetected = false;
 		accelerometer = new AccelerometerReader(context);
 		// Tweak video thread priority, if user selected big audio buffer
 		if(Globals.AudioBufferConfig >= 2)
@@ -400,7 +410,7 @@ class DemoRenderer extends GLSurfaceView_SDL.Renderer
 		int width = bmp.getBitmap().getWidth();
 		int height = bmp.getBitmap().getHeight();
 		ByteBuffer byteBuffer = ByteBuffer.allocateDirect(4 * width * height);
-		byteBuffer.order(ByteOrder.BIG_ENDIAN);
+		//byteBuffer.order(ByteOrder.BIG_ENDIAN);
 		bmp.getBitmap().copyPixelsToBuffer(byteBuffer);
 		byteBuffer.position(0);
 
diff --git a/project/java/translations/values-ru/strings.xml b/project/java/translations/values-ru/strings.xml
index bf40c1ce1..0f2be1552 100644
--- a/project/java/translations/values-ru/strings.xml
+++ b/project/java/translations/values-ru/strings.xml
@@ -131,4 +131,6 @@
 <string name="controls_screenkb_drawsize">Размер изображения кнопок</string>
 <string name="display_size_small_touchpad">Маленький, режим тачпада</string>
 <string name="display_size_tiny_touchpad">Крохотный, режим тачпада</string>
+<string name="hardware_mouse_detected">Обнаружена внешняя мышь, эмуляция мыши выключена</string>
+
 </resources>
diff --git a/project/java/translations/values-uk/strings.xml b/project/java/translations/values-uk/strings.xml
index dda1ca37a..20c995c90 100644
--- a/project/java/translations/values-uk/strings.xml
+++ b/project/java/translations/values-uk/strings.xml
@@ -129,4 +129,6 @@
 <string name="controls_screenkb_drawsize">Розмір зображення кнопок</string>
 <string name="display_size_small_touchpad">Маленький, режим тачпаду</string>
 <string name="display_size_tiny_touchpad">Крихiтний, режим тачпаду</string>
+<string name="hardware_mouse_detected">Виявлена зовнiшня миша, емуляція миші вимкнена</string>
+
 </resources>
diff --git a/project/java/translations/values/strings.xml b/project/java/translations/values/strings.xml
index 6e64b53a0..24f7f6723 100644
--- a/project/java/translations/values/strings.xml
+++ b/project/java/translations/values/strings.xml
@@ -159,4 +159,6 @@
     <string name="broken_libc_title">Broken OS detected</string>
     <string name="broken_libc_text">Your device has broken system libraries, this application will most probably crash. Please install a system update, or flash a custom ROM, or copy file /system/lib/libc.so from another device (experts only!)</string>
 
+    <string name="hardware_mouse_detected">Hardware mouse detected, disabling mouse emulation</string>
+
 </resources>
diff --git a/project/jni/application/ballfield/AndroidAppSettings.cfg b/project/jni/application/ballfield/AndroidAppSettings.cfg
index 5137cc29d..9d1621e62 100644
--- a/project/jni/application/ballfield/AndroidAppSettings.cfg
+++ b/project/jni/application/ballfield/AndroidAppSettings.cfg
@@ -22,7 +22,7 @@ AppNeedsArrowKeys=n
 AppNeedsTextInput=y
 AppUsesJoystick=n
 AppHandlesJoystickSensitivity=n
-AppUsesMultitouch=n
+AppUsesMultitouch=y
 NonBlockingSwapBuffers=n
 RedefinedKeys="SPACE RETURN NO_REMAP NO_REMAP SPACE ESCAPE"
 AppTouchscreenKeyboardKeysAmount=0
diff --git a/project/jni/application/fheroes2/AndroidAppSettings.cfg b/project/jni/application/fheroes2/AndroidAppSettings.cfg
index 0eb787216..d63431bfe 100644
--- a/project/jni/application/fheroes2/AndroidAppSettings.cfg
+++ b/project/jni/application/fheroes2/AndroidAppSettings.cfg
@@ -32,9 +32,9 @@ StartupMenuButtonTimeout=3000
 HiddenMenuOptions='KeyboardConfigMainMenu ScreenKeyboardThemeConfig ScreenKeyboardTransparencyConfig'
 FirstStartMenuOptions=''
 MultiABI=n
-AppVersionCode=272018
-AppVersionName="2720.18"
-ResetSdlConfigForThisVersion=y
+AppVersionCode=273918
+AppVersionName="2739.18"
+ResetSdlConfigForThisVersion=n
 CompiledLibraries="sdl_net sdl_mixer sdl_image sdl_ttf png intl"
 CustomBuildScript=n
 AppCflags='-finline-functions -O2 -DWITH_ZLIB -DWITH_MIXER -DWITH_XML -DWITH_IMAGE -DWITH_TTF -DWITH_AI=simple -DWITH_NET'
diff --git a/project/jni/application/grafx2/AndroidAppSettings.cfg b/project/jni/application/grafx2/AndroidAppSettings.cfg
index 707a446a0..fdc73baf9 100644
--- a/project/jni/application/grafx2/AndroidAppSettings.cfg
+++ b/project/jni/application/grafx2/AndroidAppSettings.cfg
@@ -6,12 +6,18 @@ AppFullName=com.grafx2
 ScreenOrientation=h
 InhibitSuspend=y
 AppDataDownloadUrl="!Data|data.zip"
+VideoDepthBpp=16
+NeedDepthBuffer=n
+NeedStencilBuffer=n
+NeedGles2=n
+SwVideoMode=y
 SdlVideoResize=y
 SdlVideoResizeKeepAspect=n
-NeedDepthBuffer=n
-SwVideoMode=y
+CompatibilityHacks=n
 AppUsesMouse=y
 AppNeedsTwoButtonMouse=y
+ShowMouseCursor=y
+ForceRelativeMouseMode=n
 AppNeedsArrowKeys=n
 AppNeedsTextInput=n
 AppUsesJoystick=n
@@ -24,9 +30,11 @@ AppTouchscreenKeyboardKeysAmountAutoFire=0
 RedefinedKeysScreenKb="SPACE TAB PLUS MINUS RETURN ESCAPE DELETE"
 StartupMenuButtonTimeout=3000
 HiddenMenuOptions='OptionalDownloadConfig'
+FirstStartMenuOptions=''
 MultiABI=n
-AppVersionCode=23178101
-AppVersionName="2.3.1781.01"
+AppVersionCode=23178102
+AppVersionName="2.3.1781.02"
+ResetSdlConfigForThisVersion=y
 CompiledLibraries="jpeg png sdl_image sdl_ttf lua"
 CustomBuildScript=n
 AppCflags='-DVIRT_KEY -D__ENABLE_LUA__ -std=c99'
diff --git a/project/jni/application/milkytracker/AndroidAppSettings.cfg b/project/jni/application/milkytracker/AndroidAppSettings.cfg
index 8d2212624..6fa0a8920 100644
--- a/project/jni/application/milkytracker/AndroidAppSettings.cfg
+++ b/project/jni/application/milkytracker/AndroidAppSettings.cfg
@@ -30,14 +30,15 @@ AppTouchscreenKeyboardKeysAmountAutoFire=0
 RedefinedKeysScreenKb="SPACE TAB PLUS MINUS RETURN ESCAPE DELETE"
 StartupMenuButtonTimeout=3000
 HiddenMenuOptions='OptionalDownloadConfig'
-FirstStartMenuOptions='new Settings.CalibrateTouchscreenMenu(), new Settings.DisplaySizeConfig(true)'
+FirstStartMenuOptions=''
 MultiABI=n
-AppVersionCode=0908503
-AppVersionName="0.90.85.03"
-CompiledLibraries="jpeg png"
+AppVersionCode=0908504
+AppVersionName="0.90.85.04"
+ResetSdlConfigForThisVersion=y
+CompiledLibraries="jpeg png zzip"
 CustomBuildScript=y
 AppCflags=''
 AppLdflags=''
 AppSubdirsBuild=''
-AppCmdline='milkytracker -fullscreen'
+AppCmdline='milkytracker -fullscreen -nonstdkb -nosplash'
 ReadmeText='^You may press "Home" now - the data will be downloaded in background'
diff --git a/project/jni/application/milkytracker/AndroidBuild.sh b/project/jni/application/milkytracker/AndroidBuild.sh
index 7388f51ab..b8d8cafc9 100755
--- a/project/jni/application/milkytracker/AndroidBuild.sh
+++ b/project/jni/application/milkytracker/AndroidBuild.sh
@@ -11,7 +11,7 @@ if [ \! -f milkytracker-0.90.85/configure ] ; then
 fi
 
 if [ \! -f milkytracker-0.90.85/Makefile ] ; then
-	../setEnvironment.sh sh -c "cd milkytracker-0.90.85 && ZZIP_CFLAGS='-I$LOCAL_PATH/../../zzip/include' ZZIP_LIBS='-L$LOCAL_PATH/../../../obj/local/armeabi -lzzip' ./configure --host=arm-linux-androideabi "
+	../setEnvironment.sh sh -c "cd milkytracker-0.90.85 && ZZIP_CFLAGS='-I$LOCAL_PATH/../../zzip/include' ZZIP_LIBS='-L$LOCAL_PATH/../../../obj/local/armeabi -lzzip' LIBS=-lgnustl_static ./configure --host=arm-linux-androideabi"
 fi
 
 make -C milkytracker-0.90.85 && mv -f milkytracker-0.90.85/src/tracker/milkytracker libapplication.so
diff --git a/project/jni/application/src b/project/jni/application/src
index 4de17cd97..104f796a6 120000
--- a/project/jni/application/src
+++ b/project/jni/application/src
@@ -1 +1 @@
-alienblaster
\ No newline at end of file
+ballfield
\ No newline at end of file
diff --git a/project/jni/application/teeworlds/AndroidAppSettings.cfg b/project/jni/application/teeworlds/AndroidAppSettings.cfg
index 839318293..b99cb96f4 100644
--- a/project/jni/application/teeworlds/AndroidAppSettings.cfg
+++ b/project/jni/application/teeworlds/AndroidAppSettings.cfg
@@ -16,6 +16,7 @@ SdlVideoResizeKeepAspect=n
 CompatibilityHacks=n
 AppUsesMouse=y
 AppNeedsTwoButtonMouse=y
+ShowMouseCursor=n
 ForceRelativeMouseMode=y
 AppNeedsArrowKeys=y
 AppNeedsTextInput=y
@@ -33,6 +34,7 @@ FirstStartMenuOptions=''
 MultiABI=y
 AppVersionCode=5207
 AppVersionName="0.5.2.07"
+ResetSdlConfigForThisVersion=n
 CompiledLibraries="sdl_image freetype"
 CustomBuildScript=n
 AppCflags='-O3'
diff --git a/project/jni/application/teeworlds/src/engine/client/ec_gfx.cpp b/project/jni/application/teeworlds/src/engine/client/ec_gfx.cpp
index eb60402b1..c3cdd1ab0 100644
--- a/project/jni/application/teeworlds/src/engine/client/ec_gfx.cpp
+++ b/project/jni/application/teeworlds/src/engine/client/ec_gfx.cpp
@@ -14,6 +14,7 @@
 	#include <OpenGL/glu.h>
 #else
 #ifdef ANDROID
+	#define GL_GLEXT_PROTOTYPES
 	#include <GLES/gl.h>
 	#include <GLES/glext.h>
 #else
diff --git a/project/jni/sdl-1.3/src/video/android/SDL_androidinput.c b/project/jni/sdl-1.3/src/video/android/SDL_androidinput.c
index 1770a34f1..1e94ed0da 100644
--- a/project/jni/sdl-1.3/src/video/android/SDL_androidinput.c
+++ b/project/jni/sdl-1.3/src/video/android/SDL_androidinput.c
@@ -844,7 +844,7 @@ static int getClickTimeout(int v)
 
 // Mwahaha overkill!
 JNIEXPORT void JNICALL
-JAVA_EXPORT_NAME(Settings_nativeSetMouseUsed) ( JNIEnv*  env, jobject thiz,
+JAVA_EXPORT_NAME(Settings_nativeSetMouseUsed) (JNIEnv* env, jobject thiz,
 		jint RightClickMethod, jint ShowScreenUnderFinger, jint LeftClickMethod,
 		jint MoveMouseWithJoystick, jint ClickMouseWithDpad,
 		jint MaxForce, jint MaxRadius,
@@ -876,7 +876,20 @@ JAVA_EXPORT_NAME(Settings_nativeSetMouseUsed) ( JNIEnv*  env, jobject thiz,
 }
 
 JNIEXPORT void JNICALL 
-JAVA_EXPORT_NAME(Settings_nativeSetJoystickUsed) ( JNIEnv*  env, jobject thiz)
+JAVA_EXPORT_NAME(Settings_nativeSetExternalMouseDetected) (JNIEnv* env, jobject thiz)
+{
+	if( !isMouseUsed )
+		return;
+
+	leftClickMethod = LEFT_CLICK_NORMAL;
+	SDL_ANDROID_ShowScreenUnderFinger = 0;
+	leftClickTimeout = 0;
+	relativeMovement = 0;
+	SDL_ANDROID_ShowMouseCursor = 0;
+}
+
+JNIEXPORT void JNICALL 
+JAVA_EXPORT_NAME(Settings_nativeSetJoystickUsed) (JNIEnv* env, jobject thiz)
 {
 	SDL_ANDROID_isJoystickUsed = 1;
 }