If you’re a fan of the social music website, last.fm, you’ll be pleased to know you can scrobble what you listen to using MobileScrobbler on the iPhone.

Here is a list of features:

* Scrobble tracks as you listen on your iPhone / iPod touch
* Queues songs for submission when offline and automatically submits them the next time you connect
* Listen to Last.fm radio over EDGE or wifi
* Tag songs as ‘love’ or ‘ban’
* View album artwork and artist data for songs as you listen
* View lyrics for the currently playing song
* View upcoming concert events and add them to your calendar
* All data is cached for offline viewing
* Browse your friends and listen to their radio stations
* Integrated with the iPhone / iPod Touch settings application
* Multitouch gestures to ban, love, and skip tracks
* View your top artists, top tracks, and top albums
* Ban and love tracks from the Recent Tracks list
* Browse a top listener’s profile by tapping their username
* Display arbitrary track metadata by passing command line arguments -track, -artist, and -album

To install:

1. Launch Installer.app

2. Make sure you have the Community Sources installed, if not install them. They’re under the Sources category

3. Scroll down to the Multimedia category; Install MobileScrobbler

4. Reboot your iPhone

Note: To sign in you must go under the Settings and MobileScrobbler

- source: dev.c99.org