I have just published the best Bluetooth Chat app to the Market. Most of these apps are copy pasted from Google's sample app collection. Mine has been transformed into a wonderful app with skins, custom fonts and emoticons. There is also a pro version available.

You can download the free version directly from https://play.google.com/store/apps/details?id=com.b2creativedesigns.bluetoothchat.

The pro version is also available from https://play.google.com/store/apps/details?id=com.b2creativedesigns.bluetoothchatpro

Enjoy!