FamousCube is described as 'is the virtual version of the puzzle designed by Rubik Erno'. There are three games similar to FamousCube for Android, Android Tablet, iPad and iPhone. The best alternative is The Impossible Cube. It's not free, so if you're looking for a free alternative, you could try Flat Cube or Ruby Square Original.
Flat Cube is a game similar to the Rubik cube formed by a matrix of tiles that can be moved in rows and columns.There are three game modes: Cross, UpDown, Moebius who have levels of increasing difficulty. Array of tiles (4x4,6x6,8x8).