Google brings Hangouts to Gingerbread phones
After 
Full Changelog:
- Update: Bug fixes in mobile hangouts
- Join hangouts from the mobile app
- Set profile photo
- Huddle is now Messenger
- Send photos in Messenger
- Reliability improvements in Messenger
- Long press on posts in stream to +1, share and mute
- Improved video playback support
- Improved public search for people
- Granular push notification settings
- Move app to your SD card
- Improved +mention support
Finally