Mo le Android platform lomia fa'aola su'esu'e fa'ata'ita'i Firefox Muai Vaaiga 5.0, atiina ae i lalo ole igoa ole Fenix e suitulaga mo Firefox mo le Android. Ole lomiga ole a fa'asalalau ile lisi ile lumana'i lata mai Google Play (Android 5 poʻo mulimuli ane e manaʻomia mo le gaioiga).
Firefox Muai Vaaʻiga faʻaaoga GeckoView afi, fausia i luga ole Firefox Quantum tekinolosi, ma se seti o faletusi Mozilla Android Vaega, lea ua uma ona faʻaaogaina e fausia ai suʻesuʻega Malosiaga Firefox и Firefox lite. GeckoView o se fesuiaiga o le Gecko engine, afifiina e avea o se faletusi eseese e mafai ona faʻafouina tutoʻatasi, ma Android Components e aofia ai faletusi ma vaega masani e tuʻuina atu faʻamau, faʻamaeʻaina o mea, fautuaga suʻesuʻe ma isi mea suʻesuʻe.