If you attach a bluetooth module you can wirelessly program from an app like BlueTerm. Theres also an app called Android script that lets you program the espruino with OTG(USB micro to female), Dave Smart made a video on it here https://www.youtube.com/watch?v=_Nwq5Quhg4s
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.
If you attach a bluetooth module you can wirelessly program from an app like BlueTerm. Theres also an app called Android script that lets you program the espruino with OTG(USB micro to female), Dave Smart made a video on it here https://www.youtube.com/watch?v=_Nwq5Quhg4s