Can an Android NFC phone act as an NFC tag?

Question

From what I have understood so far, an NFC phone will act as an NFC reader which will read data from an NFC tag. Now my question is, can we switch this around? Can we make a

Answer 1

Yes you can which is Peer-To-Peer Mode

Peer-To-Peer Mode

---

Bidirectional P2P connection to exchange data between devices

–Proximity triggered interactions

–Nexus S: Devices have to be placed back-to-back

Example of Applications

–Exchange of vCards

–Hand-over of Tickets & P2P Payment

–Web-page sharing, Youtube-video-sharing

–Application sharing