Google has today star­ted a lim­ited roll out of its Google Wal­let app to the pub­lice. The app enables users to pay for goods and ser­vices using a Citi Mas­ter­Card credit card, or a Google Pre­paid Card, which can be fun­ded with any of the user’s exist­ing credit cards.

Ini­tially, it is only avail­able for Nexus S 4G phones […]