Clock Works Color Switch Clock

A Puzzle game that plays in the browser: Clock Works Color Switch Clock starts on the click and keeps its progress there. It is built for touch, so a phone or a tablet is the natural place for it. Its tags here are android, arcade, casual, classic, click.

It is drawn for a tall screen, so it fills a phone held upright rather than a wide monitor. Free to play in the browser, with no install step between you and the first round.