It’s almost time to start paying with your Android phone—again. just made it official: Android y is launching today.

Android y will work with any Android device running at least Android KitKat (4.4) with an NFC chip. It supports debit credit cards from Visa, Mastercard, American Express, Discover. But it won’t work with every bank or credit issuer right away. The major supported issuers are American Express, Bank of America, Discover, Navy Federal Credit Union, C, Regions Bank, AA, U.S. Bank. says it’s adding banks all the time.

It works on every major carrier, though. And it works at any tap pay location across the U.S. (over one million growing). , of course, had to include an image of a bunch of major brs supporting Android y.

puts a big emphasis on the security of Android y. It uses an industry stard tokenization method, where your real credit card number is not transmitted to the merchant. So next time a major retailer gets hacked all its credit card numbers stolen, yours is safe, because they don’t even have it. 

ter this year, Android y will be updated to allow you to do mobile checkout when buying items in shopping apps, some merchants will even let you transmit your loyalty cards electronically. So you can pay get your points or discounts all with one tap of your phone.

Android y will be a download from the ay Store (an update to the old llet app) ling over the next few days, will come pre-installed on Android phones with NFC chips from AT&T, T-Mobile, Verizon reless ( made no mention of Sprint).

The story behind the story: ’ve officially entered the battle of the mobile payments movement. Between Apple y, Android y, soon, Samsung y, there’s plenty of options to choose from, depending on which phone you’re wielding. Samsung y will be supported at the most locations, since it uses a proprietary technology called MST that allows it to be used on magnetic-stripe “swipe” readers. If you’re curious how it works, read our experience with opy before it was Samsung’s property. And if you’re still a little confused on what Android y is or how it will work, we’ve got a helpful FAQ for you to peruse.