Facebook Home has been downloaded over 500,000 times. The mobile interface for Facebook launched on the Google Play store April 12.
Facebook Home is available for Samsung Galaxy S III, Samsung Galaxy Note II, HTC One X and HTC One X+ and it comes pre-loaded onto the HTC First. User reviews currently give Facebook Home a 2.2 stars out of a possible 5.
Source: Play.Google.com {link no longer active}