Sony DPT-S1 looking for developers

I am looking for developers for Sony DPT-S1. The main goal would be to add additional languages for on-screen keyboard. It would be joint venture project.

Also
If there is a direct email contact to the the Sony Digital Paper (development) team - Please let me know

BTW the latest source code is here:

http://oss.sony.net/Products/Linux/dp/DPT-S1_v15.html

Thanks,