You can customize the length and width of puzzles, the puzzle edges and the pictures, create your own jigsaw puzzle ! After you make a jigsaw , you can view or play it by change the direction of the device ! 3 simple step to make a jigsaw: 1-set the length and width of the puzzle, you can set any value of length or width with the limit in 4-50 pieces(4-100 pieces for iPad) 2-Select the edge of the piece you want 3-Select and zoom rotate the picture to make a jigsaw