TwitSong 4.6
Device: iOS Universal
Category: Social Networking
Price: Free, Version: 4.5.3 -> 4.6 (iTunes)
Description:[Feature]You can post the tune you are now listening on iPod to Twitter and Facebook. Also, you can post album cover.Auto-post for every tune can be set.
What's New
I was made to iOS6 later.has been removed because it is not fully functional for automatic post function due to a limitation in iOS
TwitSong