Is it possible I need to enable the chrome flags on Android too or is that just a Linux requirement?
No, it should 'just work' on Android, HOWEVER since GrapheneOS seems to market itself as a privacy related OS it wouldn't surprise me one bit if they disabled stuff like this by default (if not permanently)
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
No, it should 'just work' on Android, HOWEVER since GrapheneOS seems to market itself as a privacy related OS it wouldn't surprise me one bit if they disabled stuff like this by default (if not permanently)