Nexus 7: app is not opening - android

Users comment on google play that app is not opening on nexus 7. I am waiting for my nexus to test that issue. Right now I do not have that device.
My app is OpenGL ES 2.0 game.
Some ppl comment on google play that app is not openning. But I do not get exception error in Crashes and ANRs in Google Play.
What could be a reason for that?
I have a lot of native code. Do native code exceptions are reported somehow?
Could it be a ConfigChooser.chooseConfig bug? Is that recommended ConfigChooser.chooseConfig for Nexus or most apps?

I can confirm that the game crashes the moment you open it on the Nexus 7, however I know why you have nothing in Crashes & ANR... no Force Close dialogue box opens at all, you get a black screen, then the game immediately quits.
I do however have the stacktrace from logcat available, the error is in some C/C++ code you have via the NDK. I have uploaded the entire log from when you open the app onto pastebin for you.
Logcat: http://pastebin.com/dq0kRxnn (the link will expire after 1 month)

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Weird Play Store crash related to features not used by my Flutter app

I am trying to publish a flutter app to Google Play store. Google internal testing is posting this ANR crash only on "AQUOS sense2 SH-01L - DOCOMO" device (sdk 28).
Error message mentions quicksearchbox, LOGIN_ACCOUNTS_CHANGED, TikTok, which is weird as my app does not use any social media, accounts/logins, or search. Watching the video, the app is working, I do not see it crash.
It is also weird that I would get this only on one of many devices they test with. If I did something wrong in code, this would affect all devices (unless due to low memory or small screen or something like that which does not seem to be the case here).
How can I troubleshoot this?
ANR in com.google.android.googlequicksearchbox:search;PID: 15056;Broadcast of Intent { act=android.accounts.LOGIN_ACCOUNTS_CHANGED flg=0x5000010 cmp=com.google.android.googlequicksearchbox/com.google.apps.tiktok.account.data.device.DeviceAccountsChangedReceiver_Receiver };
The error disappeared in the next release although I did not change anything significant. Probably was just a glitch on Google end.

Instant app only working on 8.0 devices

I have deployed my app to play store. It is released on production. It works fine on google's pixel only. When I tap the link on Samsung devices I see instant app loading screen for few seconds (see the screenshot below) and the URL is handled by the browser (chrome in my case) instead of loading the instant app. However, buzz feed's instant app (https://www.buzzfeed.com/tasty) works absolutely fine.
Here (https://drive.google.com/file/d/1O1ZQkEcOUiTIkHZN3_QA94gTZCY-ppYo/view?usp=sharing) is the link to my log file when I tap the link. I don't see anything on Logcat.

App cannot run on Android L with LogCat Error Message

I've updated my Nexus 7 (2013) to Android L preview, and found that one of my apps cannot be launched anymore with the following LogCat Error msg:
E/WindowState(643): getStack: Window{33f867f8 u0
Starting com.xxxxxx.ooooo} couldn't find taskId=151
Callers=com.android.server.wm.WindowState.getDisplayContent:730
com.android.server.wm.WindowStateAnimator.stepAnimationLocked:273
com.android.server.wm.WindowAnimator.updateWindowsLocked:254
com.android.server.wm.WindowAnimator.animateLocked:550
Also note that the app launch animation would be played but then the screen would go back to the previous screen without any user facing error message, so I've only got this error dialog to go on and am hopelessly lost atm. Any help is greatly appreciated.
Edit:
VLC and a few video players that may have used VLC library have the same issue, so I am guessing it's something with VLC's native library given how Android L has tightened up JNI a bit, but I am lost at to where to start modifying given the opaque log message :-/

Camera Error 100 on .takePicture ONLY AFTER stopping a video recording

Greetings StackOverflowers!
I've searched at great length, but finally have to admit I'm out of ideas.
Please find a minimalist Eclipse project at https://github.com/ppinter1/AndroidCamera.git which demonstrates the problem I'm having on a Samsung Galaxy Tab 10.1 and Android 4.1.1
In essence: the dreaded Camera Error 100 (with attendant death of ICamera/media server/Camera server) occurs whenever I call .takePicture after stopping a video recording.
What's tested and working in the code provided:
any number of photos can be captured
any number of videos can be recorded as well
even taking a photo while recording works fine (a nice side effect)
BUT, taking a photo after stopping a recording (that is, either by hitting the 'Stop Recording' button, or because the recording is automatically stopped when the maximum file size of 5MB is reached) causes the generic Camera Error 100.
I would be most appreciative if others would test this code on their Android device.
Is it a bug just with this tablet? If it fails on other devices as well, can anyone tell me
what I'm doing wrong or how to diagnose this further?
If the code works for you, please reply with your device model and Android version.
With many thanks,
Pete
UPDATE:
Couple things:
A Samsung Developer support tech reports no error running my github test code on an S3 device, but sees an Exception with Galaxy Tab and Nexus. He believes the test code uses the Camera API incorrectly, yet I don't think I can make the code any simpler... if anyone spots an API usage error, please correct me!
I've opened an issue at Google's Android tracker with additional log file detail.
As detailed on the tracker link above, it turns out one needs to Add an extra .stopPreview() after .reconnect() and before .startPreview.
Massive thanks go to developer etalv on the Android Open Handset Alliance Project for the tip.

Android crash while application loading (Unity3D 3.5.64f (latest))

I know this is Unity3D question and there are more specific stack/forum sites...
Pls see attached logcat log, is there anything which gives us any clue?
Unity Splash screen appears on device, but after a few seconds it crashes. This app was OK yesterday, I added some C# code textures etc. I carefully examined the debug build logcat log. My code has not even a chance to run, the crash happens before...
Note: No Mono runtime exception in logcat log.
It works fine in Unity editor, or windows standalone build.
Again: It worked fine, with the same settings yesterday. More: The yesterday's backup sill working today, rebuild, deploy to the same device. This today's version (I1ve added textures, code etc) which is not working on the device.
See the log attached.
Don't know where to search toward... :-(
Thx for help
Download logcat log file

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