Gift certificates for Google Play provide countless gaming options. Find out where to buy online and in-store, track gift card spending, and learn about gift card promos.The fact that a Google Play Code can be used without a credit card is one of the best features of the Google Play Gift Card. and balances are perpetual.Gift certificates are not refundable or returnable. The Google Play Store accepts Google Play gift codes. the official Android app store, to buy apps.