Is your smartphone social? Facebook isn't convinced it is and so, in lieu of one true Facebook Phone, it wants to make over every Android smartphone in its image, courtesy of Facebook Home. The new launcher will start its spread on a select range of Android devices, as well as dedicated handsets like the HTC First, from April 12, but it demands a hefty commitment: gone is the usual, flexible Android homescreen, replaced by a new UI that puts sharing front and center. Walled garden or the place where social grows? Read on for the SlashGear review.