Just click and hold to draw, press V to hide control panel, press Z to undo. Press X to save and C to load save Turbo mode is strongly recommended.
Run on Turbowarp or Forkphorus for best experience: https://forkphorus.github.io/?id=470047208 https://turbowarp.org/470047208 --Update Log-- 1.1 - New UI 1.2 - Partial Rendering, more optimized