https://addons.mozilla.org/addon/yesscript2/
* new platform: mobile (Android)
Remarks for debugging:
Debug for foreground scripts:
Firefox -> Console (F12)
Debug for background scripts:
1) disable firewall on desktop
2) open WebIDE on desktop (shift+F8)
3) open Firefox on mobile and enable remote debugging via WiFi (Settings / Advanced)
4) click "RUNTIME APPS / Main process" in WebIDE (left side)
5) open console for "Main process" (F12)