Board Thread:Game Discussions/@comment-98.154.5.158-20140505052130/@comment-174.21.228.195-20160503065126

If you use 3rd party apps to collect gems, or a VPN to bypass daily free gem limitations you increase your chances of getting banned. You can review their ToS to see if something you did was in conflict with their user agreement.

http://product.gree.net/us/en/terms/

If you believe that you took no actions that violated the ToS that you agreed to when installing the game you can try contacting GREE through their forums.

http://forums.gree.net/sendmessage.php