first use the numbers to select the color of the dot. if you do not see the dot, press space until you do. then, move the dot with the arrow keys to the desired location. once there, press "a" to stamp a dot. repeat until you have created the desired picture. then, press space, to hide the dots and "s" to spawn the small dots. if the small dots do not color themselves to create your picture very well, press space to show the large dots, and/or drag the small dots to get them on the dots.