If you experience crashes, black screens, or performance problems while playing GWENT: Rogue Mage on Android, follow the troubleshooting steps below.
1. Make sure GWENT: Rogue Mage is updated, this article explains how to update apps: https://support.google.com/googleplay/answer/113412?hl=en
2. Make sure that your Android device is updated to the newest version of Android: https://support.google.com/android/answer/7680439?hl=en
3. Shut down other apps running in the background, this article explains how to do it: https://support.google.com/android/answer/9079646?hl=en
4. Restart your device.
5. If the steps above won't help, try reinstalling the game.