Android games

Hey,
i have plenty of card numbers, rarely need to use them. one thing I thought would be cool though, is buying premium items in some games. I would never link a card directly to my android account, but is there some way I can get funds across with an extra step in the middle. ie could I buy a prepay virtual credit card (prezzy card) or can i buy android vouchers from a 3rd party supplier?

Basically I just want to avoid any charge back coming to my real account that could be traced.