Tencent launched its web-based QQ formally on 15 September 2009, the latest version of which being 3.0.
Currently, there are seven diamond schemes available: The QQ Coin is a virtual currency used by QQ users to "purchase" QQ related items for their avatar and blog.
Q Coins are obtained either by purchase (one coin for one RMB) or by using the mobile phone service.
Tencent currently offers a premium membership scheme, where premium members enjoy features such as QQ mobile, ringtone downloads, and SMS sending/receiving.
In addition, Tencent offers "Diamond" level memberships.
An Android version of QQ International was released on September 2013.
The client's interface is in English, French, Spanish, German, Korean, Japanese and Traditional Chinese.
The client supports English, French, Spanish, German, Korean, Japanese and Traditional Chinese.
One of the main features of QQ International is the optional and automatic machine translation in all chats.
The People's Bank of China, China's central bank, says it is investigating the possibility of cracking down on Q Coins due to people using Q Coins in exchange for real world goods.