Brains and hands! Please enjoy "One Touch Drawing Master"! All content of one stroke is free! The rules of the game are very simple. The pen can draw all the pictures according to the graph without letting go. However, a line that has passed once cannot pass repeatedly. When you pass each level, the more difficult the game will become. Some special rules will be given in the game, For example, a line that needs to pass twice, a line that can only pass in one direction, There are also rules such as jumping to another point at once.