Earlier quoted context omitted.
Worked just fine on version 143.
Not for me on Android (same version)
Yeah, sorry for that. The game actually used to work decently well on mobile browsers.
If you're brave enough to try on a mobile device, there's a way to see the current URL without escaping on the page: clicking on that "?". The mobile controls are clunky, but you'll be rewarded with the ability to share your highscores with friends! :P