Draw ink wells, then lift your finger to lock them. Stack several strokes. Guide the blot into the red seal.
Tip: short curved strokes steer better than long lines.
Desktop: click-drag · Esc restarts after fail · Music: bottom-right M
Install on Android (Chrome):
Open this page in Chrome -> menu (three dots) -> Install app
or Add to Home screen. Launch from the icon for full screen.