* Android 6.0 or above (Beta OS versions are NOT supported).
* At least 2 GB of RAM.
* At least 300 MB of the free device storage.
* Access to Google Play services.
* Rooted devices are not supported.

To find out what Android version runs on your device:
Device's Settings >> About Phone or About Device >> Android Version.
 
Amazon
* Fire OS 5 or above (Beta OS versions are NOT supported).
* At least 2 GB of RAM.
* At least 200 MB of the free device storage.
* Rooted devices are not supported.

To find out which Fire OS is on your device:
Settings >> Device Options >> System Updates. Your OS version will be displayed toward the top of the screen.
 
Please bear in mind the ZC system requirements may change in the future if program modifications are introduced to the game or if platforms change their requirements.