A. 1. Restart your device: Hold down the power button and select 'Restart' to refresh the system. 2. Clear the app cache: Go to 'Settings' > 'Apps' > 'Mini World' > 'Storage' > 'Clear Cache' to remove any corrupted data.

B. 3. Reinstall the app: Uninstall Mini World and then download it again from the Google Play Store.