Google Wallet hasn't had much uptake in the real world. When most of its use has revolved around one carrier, few payment points and even fewer phones, most of us have had to sit on the sidelines. If an Android Police source really did come across a leaked future build of Google Wallet as he claims, though, we may know how Google surmounts that problem: going old school with a real-world card. Screenshots in the app supposedly show a mail-in option for plastic that could completely replace credit and debit cards
