Firefox Developer Tools can debug remote devices (Firefox for Android and Firefox OS, for example). Make sure that you have turned on the ‘Remote debugging’ option in the remote device. For more, see the 
I strumenti pe-i svilupatoî de Firefox te permetan de fâ o debug in sci dispoxitivi remòtti (prezenpio Firefox pe Android ò Firefox OS). Aseguase de avei ativou l'opçion 'Debug remòtto' in sciô dispoxitivo remòtto. Pe atre informaçioin vanni a vedde a 