You can install the app from the app loader and then open the app file in the Web IDE to modify and load the changes to your watch. Just make sure you disable the preset regarding pretokenization under the 'More...' tab of the app loader.
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.
You can install the app from the app loader and then open the app file in the Web IDE to modify and load the changes to your watch. Just make sure you disable the preset regarding pretokenization under the 'More...' tab of the app loader.