Mobile Payments is one of the most exciting and constantly evolving spaces right now and as Android developers we have a wide array of opportunities. Apple Pay helped make contactless payments mainstream and from now on it's going to be an exciting race to see how this landscape evolves. Starting with Android 4.4, developers have the ability to send contactless payments over Near Field Communication (NFC) using Host Card Emulation (HCE). Learn how to make contactless payments work in a mobile wallet implementation and the challenges associated with it. This will include code samples, hands on demonstrations and lessons learned.