3 ms·Firefox on iOS uses Safari's rendering engine. Maybe mcv is referring to Gecko-powered Firefox on Android?by majewsky 7y agoFirefox on iOS uses Safari's rendering engine. Maybe mcv is referring to Gecko-powered Firefox on Android?marc3842h 7y agoI've been using Mobile Twitter on Firefox for Android and it works just fine.mcv 7y agoI'm using Firefox on Android refusing third-party cookies, and for whatever reason Twitter doesn't work.