Roll the labyrinth portal ball

Roll the labyrinth portal ball is a logical game. Move the blocks with your finger to create a path for moving the ball to the light GOAL block. But fixed blocks can't be moved. Solve it with the minimal moves. The "Solution"-button is available for all tasks(puzzles). Its a very addictive puzzle game. There are 5 groups by dimension (4x4, 5x5, 6x6, 7x7, 8x8).