HELLO I POST THIS TO REPORT BECAUSE IF I NEED TO PURCHASE IN MY GAME FOR UNLIMITED DIAMONDS BUT NOT WORKING. IT'S SAY VERIFY FAIL. IM DONE TO REBOOT MY PHONE FOR THE SIGNATURE VERIFICATION ALWAYS "TRUE" BUT STILL NOT WORKING. AND I TRY TO OTHER METHODS , BUT STILL NOT WORKING IM DONE SUCCESS TO ROOT MY PHONE AND TO DO STEP BY STEP TO PURCHASE IN APP BUT IT'S ALWAYS SAYS VERIFY FAIL. PLEASE HELP ME OF HOW CAN I DO THIS.  OR TO PLEASE FIX THIS. THANKS TO RESPONSE I WILL WAIT HOPEFULLY UNDERSTAND