Google Wallet controls all the transaction process.
If you suspect that there’s been a fraudulent transaction on your account, then you should immediately contact Google: https://support.google.com/wallet/
Visit Google support and use the ‘Contact us’ button on the page (English language site only) to reach a Google customer support representative by email or by phone.
I´ve received a bill for a purchase I didn´t make. What should I do if I suspect fraudulent activity? (Android)
Last Updated: 1294d