That is because I haven't had the time to make it fully functional yet.
In 1.5 months (when I'm done with my phd) I'll have time to finish this and combine it with the cards app.
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.
I tried it some days ago and I can sync my Catima cards. Unfortunately when I try to display them, the watch reboots. Any idea why?