If no other troubleshooting steps have provided a solution, here's how you can clear app cache on an Android device.

1. On your device, go to ⚙️ 'Settings'.

2. Click on 'Apps'.

3. Click on 'Board Adventure'.

4. Click on 'Storage'.

5. Click on 'Clear Cache' and then make sure cache storage shows 0MB.

Please note that clearing cache should not be done often as it can cause different issues, but should be used as a last resort.

We hope this helps!