Unable to start activity ComponentInfo

Hello

i create a simple emty scene with only a main camera and run it as a development build on my android device. all works fine, but when i uncheck the development build and click on the build&run button...the build installs on the android-device but it crash with t$$anonymous$$s errors in the logCat

 03-29 23:31:24.216: E/XLauncher(1573): ---  startActivitySafely packageName=com.speedy.abcdef pointX=62 pointY=144
 03-29 23:31:24.416: E/IBINDER_HOOK_UTILS(1094): ioctl not change
 03-29 23:31:24.416: E/IBINDER_HOOK_UTILS(1487): ioctl not change
 03-29 23:31:24.416: E/IBINDER_HOOK_UTILS(1300): ioctl not change
 03-29 23:31:24.496: E/AndroidRuntime(24787): FATAL EXCEPTION: main
 03-29 23:31:24.496: E/AndroidRuntime(24787): java.lang.Error: FATAL EXCEPTION [main]
 03-29 23:31:24.496: E/AndroidRuntime(24787): Unity version     : 4.2.1f4
 03-29 23:31:24.496: E/AndroidRuntime(24787): Device model      : LENOVO Lenovo K910
 03-29 23:31:24.496: E/AndroidRuntime(24787): Device fingerprint: Lenovo/kiton/kiton:4.2.2/JDQ39/K910_SS_S_2_040_0039_131101:user/releasekey
 03-29 23:31:24.496: E/AndroidRuntime(24787): Caused by: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.speedy.abcdef/com.unity3d.player.UnityPlayerNativeActivity}: java.lang.IllegalArgumentException
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2197)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2247)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.app.ActivityThread.access$600(ActivityThread.java:148)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1241)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.os.Handler.dispatchMessage(Handler.java:99)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.os.Looper.loop(Looper.java:137)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.app.ActivityThread.main(ActivityThread.java:5138)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at java.lang.reflect.Method.invokeNative(Native Method)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at java.lang.reflect.Method.invoke(Method.java:511)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at dalvik.system.NativeStart.main(Native Method)
 03-29 23:31:24.496: E/AndroidRuntime(24787): Caused by: java.lang.IllegalArgumentException
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.google.android.gles_jni.EGLImpl.eglChooseConfig(Native Method)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.aa.a(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.aa.e(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.aa.a(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.aa.<init>(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.ac.<init>(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.UnityPlayer$24.<init>(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.UnityPlayer.a(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.UnityPlayer.init(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at com.unity3d.player.UnityPlayerNativeActivity.onCreate(Unknown Source)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.app.Activity.performCreate(Activity.java:5109)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2161)
 03-29 23:31:24.496: E/AndroidRuntime(24787):     ... 11 more
 03-29 23:31:24.616: E/ydp(2426): checkApp pkgName:com.speedy.abcdef
 03-29 23:31:25.596: E/ydp(2426): checkApp pkgName:com.lenovo.launcher
 03-29 23:31:27.136: E/IBINDER_HOOK(1094): get wifimanager getscanresults
 03-29 23:31:27.136: E/IBINDER_HOOK(1094): get wifimanager getscanresults
 03-29 23:31:27.136: E/IBINDER_HOOK_UTILS(1094): ===================hook reques type:36
 03-29 23:31:27.146: E/IBINDER_HOOK_UTILS(1094): safecenter block 0
 03-29 23:31:27.146: E/IBINDER_HOOK(1094): get wifimanager getscanresults
 03-29 23:31:27.146: E/IBINDER_HOOK_UTILS(1094): ===================hook reques type:36
 03-29 23:31:27.146: E/IBINDER_HOOK_UTILS(1094): safecenter block 0
 03-29 23:31:27.156: E/IBINDER_HOOK(1094): get wifimanager getscanresults
 03-29 23:31:27.156: E/IBINDER_HOOK_UTILS(1094): ===================hook reques type:36
 03-29 23:31:27.166: E/IBINDER_HOOK_UTILS(1094): safecenter block 0
 03-29 23:31:30.996: E/QCALOG(545): [MessageQ] ProcessNewMessage: [LOWI-SERVER] unknown deliver target [OS-Agent]
 

i try it on more then 3 real-devices and 2 emulators, but every time it crash when it is no development build. i read more then once the instruction on unity.com for development on android-device, but i can't find any solution to fix t$$anonymous$$s.

can anybody help me? please :( am very unhappy

thank you & bye delspeedy