? THIS APP IS ABSOLUTLY AD-FREE! ?Play alone (against the droid) or against a friend. Set field size between 3×3 and 9×9. Three levels of difficulty.Take turns drawing lines between the dots on the graph paper until you can close a box with the forth line. The player with the most boxes wins the game.Problems? Just send a mail!? Please contact me in case of any problems before you leave a bad comment / ranking. I will solve your problem! ?