There isn't a specific tutorial, but it is suggested that you try and use the Layout module which is documented at https://www.espruino.com/Bangle.js+Layout
Everything should be available (inc the vector font) that's in Bangle.js 1, but there are a few extras (eg more fonts) in Bangle.js 2
@Gordon started
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.
There isn't a specific tutorial, but it is suggested that you try and use the Layout module which is documented at https://www.espruino.com/Bangle.js+Layout
Everything should be available (inc the vector font) that's in Bangle.js 1, but there are a few extras (eg more fonts) in Bangle.js 2