3 ms·

That URL also explains why it only works on chrome.

• kzakka 4y ago
  Hi author here! The app should work on mobile/desktop and was tested on both Safari and Chrome. I've heard it's buggy for some people (unclear if it's an older hardware problem) but you can try this embedded demo which works better: https://kzakka.com/robopianist/#demo https://kzakka.com/robopianist/#demo
• squarefoot 4y ago
  It works here on Firefox, although playing is sorta syncopated. Very likely a timing issue.