With this it can be truly full screen, with no browser nav bar at the top. Also, since it is it's own app, the system remembers the last used printer settings, so it will always stay on the receipt printer. In the browser that gets messed up as soon as you use the browser to print something on another printer.
Sharing here because I don't know where else I can, but this works pretty nicely for your POS: https://github.com/jiahaog/nativefier
With this it can be truly full screen, with no browser nav bar at the top. Also, since it is it's own app, the system remembers the last used printer settings, so it will always stay on the receipt printer. In the browser that gets messed up as soon as you use the browser to print something on another printer.
Attaching an icon I prepared for it too.
8b9b0705a56b291d-.zip