Crash logs give us detailed information about your game state, and are very useful if there is a possible issue with your game performance.

If you are an Android user you can download a *free* log collector that works on your device (search "Log Collector" in the Google Play store.) You should be able to find free log collectors; please *do not* spend money to send us logs!)

If you are an iOS user you can follow these steps to send a crash log:
http://www.trilinkee.com/crash_logs.html