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

Read here: http://groups.google.com/group/android-developers/browse_thread/thread/d5fc35a9f16aa467/dec4843abd73d9e9%3Flnk%3Dgst%26q%3Dsecure%2Belement%2Bdiff%2527s%23dec4843abd73d9e9?pli=1

I've not verified that myself but it looks like people managed to include the hidden code into Android again. They seem to be able to emulate a Mifare Classic card (iso-14443). I'll soon test this myself, it looks very interesting.

If you want to do it for a commercial/free app you'll have a hard time, your users won't like to change their kernel to support your app.

Update: There would be a simple trick to make your phone emulate a ticket:
You can get a NFC-sticker and put it in or on the phone. This way you are able to read and write it at all times and other devices can also read and write it.
It's just an idea I had, never seen that used anywhere of course ;)