Only the current version so far — new entries appear as the app ships updates.
QQ is a communication app by Tencent Technology (Shenzhen) Company Ltd. with 10,000,000+ downloads (about 29M estimated). +26K installs in the last 7 days. Rated 1.8 from 201K ratings. Released Sep 20, 2011. Install growth, rank history, SDKs and ad networks.
From the store listing: “----- QQ · Happy communication -----
√ Serving more than 90% of mobile Internet users
√ Multi-person video and file transmission between multiple ends, continuous innovation to meet the needs of communication
√ Committed to creating a joyous communication, entertainment and life experience
-----The main…”