When you first download the app, you'll be prompted to sign in via Facebook and add friends you'd like to bring on-board. The app itself looks great - Color clearly put a lot of thought into the UI, and its experience from the first iteration certainly helps. The app defaults to a feed page, offering up images and visits from your friends. The images take up the full width of the screen, overlayed with transparent captions. Visits, meanwhile, feature four screen shots from the video you've taken.
Engadget, Color for Facebook iPhone app hands-on