Re: [web-nfc] P2P support (#529)

Android supports HCE

* Support for NFC-B (ISO/IEC 14443-4 Type B) technology is optional
* Support for NFC-A (ISO/IEC 14443-3 Type A) technology is mandatory
* Support for NFC-Forum ISO-DEP specification (based on ISO/IEC 14443-4) is mandatory and must be emulated on top of NFC-A. 
  * Hence, the emulated tag is a very similar to NFC Forum Type 4, though NFC-B support is optional.
* Process Application Protocol Data Units (APDUs) (ISO/IEC 7816-4 - smart card) 
  * This comes from ISO-DEP which uses ISO/IEC 7816-4 APDU commands
  * This is what allows emulating NDEF

![image](https://user-images.githubusercontent.com/1101339/72075528-33c24480-32f4-11ea-81f2-757546f29eb6.png)


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Received on Thursday, 9 January 2020 14:36:34 UTC