Tim Bray and I will be discussing about Authentication and Authorization on Mobile tomorrow at 10:00am PST.
https://plus.google.com/events/cp5tpqgki8hfus354ono0ps5h6g
Hopefully you can join us.
We have also created a Google OAuth2 community on Google+ that you may be interested in joining.
https://plus.google.com/communities/107137198518854169493
Thanks
Naveen