-_READ ALL INSTRUCTIONS_- ( there aren't that many) The square filler will always follow your mouse. Click the space bar in the middle of a Square to fill it. To change colors, hover your mouse over the rectangle in bottom left. The Square Filler will stay there. Click on the Color you want, the press the up arrow for the square filler to continue following your mouse
Have Fun! Also, the thumbnail was supposed to be awesome, but it all got deleted! COME ON! I spent an hour working on it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!