Features:
1. Open & play music file(m4a, mp3 etc) from mail or other apps.
2. Import songs from music library.
3. Open local music in other apps that support "Open-in" feature.(Paid feature).
4. Supports playlists.
5. Supports iTunes file sharing, you can upload music files from your pc to iPhone.
6. Supports playing music in background.
What's new (v1.0.2)
This update from Apple will improve the functionality of this app. No new features are included.