Facebook Mobile application has been updated to version 1.3, with a redesigned interface, and sporting a large amount of new features. Notable additions include video playback, RSVP for events and ability to respond to friend requests without leaving the app, as well as a updated home page, draggable notification drawer and a "photo reel for easy viewing of your friends' photos and videos." Facebook also improved usability, and you're now able to update your status or search for friends in one click.
The update is available now for Android, and you should receive a notification from the market. If you don't, search for "Facebook" on the Android market to manually update, or use the QR code below.
More Info: Facebook page