Firefox for Android
Firefox for Android (codenamed Fennec) is the build of the Mozilla Firefox web browser for devices such as smartphones and tablet computers. Mozilla also makes another mobile browser for iOS called Firefox for iOS.
Firefox for Android uses the same Quantum layout engine (previously Gecko) as Mozilla Firefox. For example, version 1.0 used the same engine as Firefox 3.6, and the following release, 4.0, shared core code with Firefox 4.0. Its features include HTML5 support, Firefox Sync, add-ons support and tabbed browsing.