Treasure Tags can be used as a remote shutter for the Lumia Selfie app, but of course, Verizon users can't use this because Verizon doesn't like Windows Phone users.
Treasure Tag can now be used by Lumia Selfie app as a remote shutter | Windows Central
I believe so. Via NFC is recognizable but adding the tag to the app results in nothing. I think Treasure Tag specifically uses Bluetooth 4.0 LE which only comes with Cyan.