Unfortunately, it is difficult to determine the cause of the specific issue you are experiencing. However, recently some issues with Android System WebView caused problems with the launch of the game.

Updating Android System WebView and Google Chrome via Google Play should now resolve the issue. Please, follow these steps:

1. Navigate to Play Store app
2. Search for Android System WebView
(https://play.google.com/store/apps/details?id=com.google.android.webview)
3. Select the "Update" option
4. Repeat these steps for Google Chrome (https://play.google.com/store/apps/details?id=com.android.chrome)

For more information about updating Android apps please see:
https://support.google.com/googleplay/answer/113412