Google公司推出的社会性网络服务。Orkut是以创建它的Google工程师Orkut Buyukkokten的名字命名的，通过这一服务，用户可以在互联网上建立一个虚拟社会关系网。

此版本中的新功能：

2.1.5:

- Fixes frequent "HTTP 400" error on Android 2.1 devices

2.1.4:

- Fixed "authentication failure" issue

- Fixed some activity stream notifications appearance on screen

- Fixed sharing to Orkut from other apps

- Fixed endless flash playing issue

- Fixed the signup flow

- Fixed landscape mode in the home screen