A. 1. Clear app cache: Go to Settings > Apps > Grand Hotel Mania > Storage > Clear Cache to remove any corrupted data. 2. Restart your device: A simple restart can often resolve freezing issues. Hold the power button and select 'Restart'.

B. 3. Update the app: Ensure you are using the latest version of the game, as updates often fix bugs. 4. Free up device resources: Close other apps running in the background to free up memory and improve performance.