Firefox 4 Beta 1 (Android)
Requirements: Firefox is compatible with Android 2.0 and above devices, Installation requires approximately 32MB internal storage, plus 12MB SD storage.

Overview: Take your Firefox anywhere. Firefox 4 Beta 1 for Android is built on the same technology platform as Firefox 4 for desktop computers, just optimized for browsing on a mobile device.
Firefox beta for mobile comes with many of your favorite Firefox desktop features like Firefox Sync, Add-ons and the Awesome Bar.