While we've been following this rumor for months now, Google made Android Pay official during today's keynote. We first heard the name back in February, and knew something was coming ever since they acquired the intellectual property of mobile payment competitor Isis, an agreement that would also make Wallet a pre-installed app on AT&T, T-Mobile, and Verizon phones. Though it was announced as part of Android M, it will work on KitKat and newer versions.
Functions new to Android Pay include the ability to tap to pay within apps. For apps that use the Pay API, you will only have to click "Buy with Android Pay" and leave the arduous typing of numbers and addresses to the automated system.
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