title: NFC host card emulation Android
body: <p>I read contradicting things about the possibility implementing NFC Tap &amp; Pay  Android mobile app</p>
  
  <p>I was successful in testing out this app - <a href="https://github.com/championswimmer/NFC-host-card-emulation-Android" rel="nofollow noreferrer">https://github.com/championswimmer/NFC-host-card-emulation-Android</a></p>
  
  <p>Is it really possible to generate a tokenized card (say issued by VISA) and emulate a payment card and complete the transaction at a terminal ?</p>
  
  <p>If so, Is there any protocol / spec for contactless card transmission ?</p>
  
  <p>Thanks,
  Siva</p>