The aim of OpenBtNFC project is give the NFC function (emulated) to Android phone/tablet that doesn't have NFC antenna integrated, using a serial bluetooth communication.
The project is in an early stage, now is implemented only the UUID card reading (displayed on the smartphone).
The purpose is replace all the NFC functionality (as website link, launch application, etc etc).
See the wiki: https://github.com/AndreaBruno/OpenBtNFC/wiki