We apologize for the issues you have been having with purchases. After you made the purchase, we recommend force closing the app and relaunching it to see if it will reflect correctly in your account.
If this still doesn't work, we are rolling out with a fix to the game that will correct this purchasing error. Once you have updated to the fix, you should be receiving your rewards. If you still have not received it, please contact us back with Google checkout number and email address associated to Google Wallet or screenshot of iTunes purchase history (not receipt).