Android Pay - What is it, how does it work and who supports it?
Apple Pay vs. Samsung Pay vs. Google Pay: Which is best?
24 Hours Using ONLY Android Pay
Originally launched as Android Pay, the service was released at Google I/O 2015. Android Pay was a successor to and built on the base established by Google Wallet which was released in 2011. At launch, the service was compatible with 70% of Android devices and was accepted at over 700,000 merchants.