Cube Rubik's description

The Rubik's Cube was invented in 1974 by Erno Rubik, a Hungarian sculptor and professor of architecture. Millions of Rubik’s Cubes have been sold and it is considered one of the best-selling toys in the world. In this app you can play different variations of Rubik's Cubes: the 2×2×2 , the standard 3×3×3 cube, 4×4×4, 5×5×5, 6×6×6, 7×7×7 and 8x8x8, but it's represented in an unusual, easy to manipulate way. How fast can you solve it?