Sorry to hear that! Our team is permanently working to detect any kind of technical problems that may affect the normal game performance. If your game randomly crashes, please read carefully the following information: 
- Close all your unused apps from your device's background activity.
- Free some space in your device's memory.
- Take into account that there are minimum requirements to be met by your device.
The minimum specifications required in Android are: 
  • 1GB of RAM (or more recommended)
  • Android 8.0 or higher
  • 800x480 screen resolution
The minimum specifications required in iOS are:
  • 1GB of RAM (or more recommended)
  • iOS 11 or higher
  • iPhone 8 or higher
  • 640 x 960 screen resolution (higher is recommended)
However, these kinds of issues could be given for many other reasons. There are multiple kinds of devices, and some of them will operate very differently than others. Please consult your device manual to refine its performance if needed.