You can load extra fonts that handle more characters if you need them, but on the small font the extra codepage doesn't seem that worthwhile as most characters would be mostly illegible anyway.
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.
Nice! You might find this handy as well: http://www.espruino.com/Fonts
You can load extra fonts that handle more characters if you need them, but on the small font the extra codepage doesn't seem that worthwhile as most characters would be mostly illegible anyway.