Noodle is an illustration program, written in Uxntal.
You must have the Uxn assembler and emulator.
uxnasm noodle.tal noodle.rom && uxnemu noodle.rom
If do not wish to assemble it yourself, you can download noodle.rom.
sudo mount -o loop sd_card.img sd_card/ && sudo cp ~/roms/noodle.rom sd_card/uxn/boot.rom && sync && sudo umount sd_card
right-clickorescape, erasearrows, move zoomspaceorshift, toogle zoomtab, invert imagebackspace, blank canvas1-8, select brush pattern[], set brush sizectrl+n, clearctrl+r, renamectrl+o, loadctrl+s, savectrl+p, snarf glyphq, pen toolw, brush toole, line toolr, magic toolt, rectangle tooly, zoom tool