What does Android Pay mean to the mobile payments industry?

Now there is no excuse. Mobile payments are upon us as every major smartphone operating system and platform will have the capability to make a payment by years end. The latest is Google's announcement of Android Pay at Google IO. We take this opportunity to lay out the main players - both in software and hardware - as it finally looks like the earth will be blanketed by the tech to enable mobile payments. The question is when do the consumers latch on...