There are a couple of troubleshooting steps you can try, which should smoothen your overall gaming experience.

1) Clear your app cache
2) Close applications running in the background of your device.
3) Reboot your device.
4) Reinstall the game.
5) Make sure that the game is updated to its latest version
6) Make sure your device OS is updated to its latest version
7) Please ensure that you’re connected to a strong Wifi/Mobile network.

If you have any further questions or concerns, we'll be more than happy to assist you as best as we can!