Tip: After clicking the green arrow, move your mouse to inside the project immediately after! First, set the delay in how many 1/100ths of a second (0 is real-time delay!) Then, press D to start drawing. Just click and draw! You can press D again to pause anytime. After you finish your masterpiece, press spacebar to watch the computer draw it exactly as how you did it!
Future additions: Change colours Change sizes