First I want to say that java and leJOS rock! Thanks to everyone that worked so hard to make this all possible.
As a small contribution to the community I just released a mobile app to control NXT robots using bluetooth. You can download it from
I have only tested this app on the emulator and on a Nokia 6111 but the code is generic enough to work on most MIDP phones. I would be happy to know in which phones have you tested this app, and if there were any issues to keep a list of compatible phones.