Squeezer
Control your SqueezeCenter ("Slimserver") and SqueezeBox (or multiple squeezeboxes) from your Android phone.
Features include:
Now playing, artwork, seeking within tracks, volume control.
Browse the library by artist, album, song title, genre, year, or playlist.
Browse the music folders (if supported by the server).
Full library search.
Internet radio support (browse, staff picks, search).
Scan the local network for compatible Squeezeservers.
Squeezer is free, and open source. For more information, to file a feature request, or to contribute, see the project home page.