"Gribouillis" tends to reproduce the result of what you could draw without too much thinking on your sketchbook; an automatic drawing while listening to a call or podcast... Or something you would draw on the napkin of a restaurant without a strong focus... Those kind of drawing that don't have a lot of meaning, but that, sometimes, give you find some comfort.
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This is a "screenshot" of the current researches and work I'm doing to emulate a sensation of sketching.
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Open the link and add '#hd' in the URL to have a A3 size of the artwork.
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Made to run in browser, especially Chrome. Works on most recent iPhones.