1.Click the arrow until the circle's color is the color you want. 2.Click the "OK!" button to let Gobo turn into the color you want. 3.Drag and drop Gobo to stamp. 4.If you want to change color, click "CHOOSE" and repeat the steps 1~3. 5.If you want to erase all of your progress, click the eraser.
Do not recommend using full-screen.