This problem might occur due to a poor internet connection. 

-Playing with a stable internet connection is recommended. If the freezing issue persists, consider reinstalling the application.

If you're experiencing technical issues, you may try the following:

1. Lower the settings of the game.

2. Check your internet connection. (Make sure that you are connected to a strong one)

3. You can switch from Mobile Data to Wi-Fi. (Vice-versa)

4. Go to your mobile device settings and clear the cache of the game.

5. Restarting the game app.