Take hotel keycards or access cards in general ... you can program it to do anything you want using your smartphone. Apps like NFC Tools will allow you to write a contact, Bluetooth pairing ...

Often the term will bring to mind the ability to pay by holding your phone over a reader, but the system can also use NFC tags embedded in credit cards, ID card, passports, and the like.

"Wallet apps can store your credit and loyalty cards, car keys ... it will become the app that handles all NFC-related tasks. This includes payments and things like unlocking with digital keys ...

Here’s a bit of a strange one, but it features Android and NFC so it caught my attention. It’s on The Register – “Home Office boffins slip out passport-scanning Android app” Basically it’s a newish ...