One of the better versions – Valentine Face Changer - Juggle & Morph Yr Head in Pic Hole to Get You LOL & ROFL Review

This is definitely better than most apps of this kind, especially since all pictures with multiple people can be whatever combination of faces you want.
Review by Vader the White on Valentine Face Changer - Juggle & Morph Yr Head in Pic Hole to Get You LOL & ROFL.