Items bought through our games (in-app purchases) are generally non-refundable. In some cases, there can be exceptions. As transactions are controlled by Apple (for iOS devices) or Google (for Android devices), you should contact them directly to request the way to do so.

For Apple (iOS) devices:
[Assistance iTunes]http://www.apple.com/support/itunes/
For Google (Android) devices:
[Google Wallet Support]https://support.google.com/wallet/