Are you using the 'Bangle.js Gadgetbridge' app? If so, go into the settings (the one next to the Bangle.js watch) and enable 'text as bitmaps'. That should now work fine to display emoji
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.
Are you using the 'Bangle.js Gadgetbridge' app? If so, go into the settings (the one next to the Bangle.js watch) and enable 'text as bitmaps'. That should now work fine to display emoji