Firefox for Mobile (codenamed Fennec) is the name of the build of the Mozilla Firefox web browser for smaller non-PC devices, mobile phones and PDAs. Firefox for mobile 1.0 uses the same version of the Gecko layout engine as Firefox 3.6. Its features include the Awesomebar, tabbed browsing, Add-on support, the ability to synchronize with the user's computer Firefox browser using Mozilla Weave and many more.