Have you looked at the digital goods API for Google Wallet? Docs: https://developers.google.com/in-app-payments/ https://developers.google.com/in-app-payments/

Have you looked at the digital goods API for Google Wallet? Docs: https://developers.google.com/in-app-payments/ https://developers.google.com/in-app-payments/ Demos: https://developers.google.com/in-app-payments/docs/samples https://developers.google.com/in-app-payments/docs/samples