You can see the backgrounds, stones and animations adjust his taste. So you can also play fast !! 2nd and 3rd star to a successful game you get for 'Without Tips & Mix' and for an underflow time. Undo moves, can get up to the pairing that one desires and can not get a deduction. Because of the size of the playing field and the amount of stones, I think it is unplayable on a small Smartfon display, better suited for tablets.
