CityIN, launched last month, has rolled up some interesting features including automatic face detection. Today, they announced they have joined OpenSocial.

This is significant in that it is one of the OpenSocial pioneers in China, but whether it will gain traction remains to be seen. I’ve been told however, that they will provide a Chinese documentation as well as support for developers. They also plan to use this platform to assist developers from outside of China who are interested in launching their apps in China. Both are very good steps to get everyone involved, but sounds like it spinning into an entirely new business.

More info from CityIN is found here.