Arrow Keys: Move Pen. 1 and 2: Set speed. 3 and 4: Set color. 6 and 7: Set size. 8, 9, and 0: Make color normal, black, and pastel respectively. C: Clear. Q+3 or Q+4: Change color (at a slower pace, allowing you to choose more precise colors.
This was made in Lincoln School's Enrichment Clusters 2016 by Emilio Nardone.