BassLine gets support for Fast App Switching and iPhone 4’s retina display.
The version 3.1 binary has already been submitted for Apple’s approval.

1. Select “Send Song to iTunes” from Garageband’s “Share” menu to export your backing track.
2. Sync the newly created playlist to your mobile device using iTunes.
3. In BassLine (version 3.0 required) choose “iPod Library”, and select the playlist to start playback.

Changes:

• Added HD interface for the iPad (Universal App)
• Added support for playing along the iPod library
• Added possibility to write-protect sessions
• Removed In App Purchase
• Fixed minor issues