There are several things that influence the game's performance, such as the amount of available storage you have on your device as well as the video recording feature on Settings. To ensure the app works without freezing, please:
- Update the game to its newest version;
- Close the app from the background and reopen;
- Restart your device;
- Update your device to its newest OS version;
- Turn off video recording in the game's Settings.
- Also, please ensure there is plenty of available storage in the device.