I'm in the 800 range and now my game keeps closing. I've searched for updates etc but it's getting..

Clear storage cache on your device. Make sure that all other programs are closed when playing and that your device has enough storage capacity and RAM.

Minimum requirements for an Apple device (iPhone or iPad):

iOS 10 or higher

iPad 2 or better

500 MB minimum storage capacity

Internet connection required

Minimum requirements for an Android device:

OpenGL 2.0

Android 4.4 "KitKat" (API Level: 19)

500 MB minimum storage capacity

A minimum of 1GB RAM

Internet connection required

Devices that do not meet these minimum requirements are not supported.