Firefox 4 is now mobile and available for download on Android & Maemo devices! To get started, download Firefox by visiting Firefox.com/m on your device, or by searching for Firefox on the Android Market.
Once you’ve downloaded Firefox for mobile, you can search for and install add-ons directly to your Android or Nokia N900 device from the Add-ons Manager located in your Browser Tools.
Thomas Arend, Mozilla’s Product Manager for Firefox for mobile, showcases some of Firefox 4’s best features including the mobile Add-ons Manager in this video about Firefox for mobile.
To get more information on how to build a mobile add-on, or make your existing add-on compatible with mobile devices visit our wiki.