The Meebo service lets you access your buddies on all the major networks (AIM, Yahoo!, MSN, Google Talk, ICQ, Jabber) and gather them into one single and easy to manage buddylist.
imeem is a social music service, enabling music fans to discover, interact and express themselves with music and playlists, and connect with other people based on shared tastes and interests. With the downloadable Android app you can create stations with free streaming music from your favorite artists, stream the music you’ve uploaded, discover new music through recommendations and features, share your favorite songs with friends via email and you can also buy songs from Amazon MP3 with one click. Cool.
AudioManager is a home-screen widget that allows you to get live readings of your current volume levels on your Android phone (similar to your computer’s Volume Mixer). The widget shows the current volume for the following streams: Music and media volumes, as well as controlling alerts, voice, alarms, system and voice call volumes.
Qik enables you to share your video moments live with your friends, family and the world—directly from your mobile Android phone.
Spotify is a digital music service that gives you access to millions of songs. Online the service is free, via your mobile you need to signup for a premium membership. Mind you at $10 a month its not a lot for what you get.