Mozila released firefox for mobile, in the latest release BETA 4.0, they incorporated all the featured to make it a big hit. In the latest release, there are many changes for perormance enhancements. It also primarily focused on continuing to improve stability and performance.Firefox for mobiel available for Android 2.0 and higher devices as well as Nokia’s Maemo running N900.
Get the Firefox for Android : https://market.android.com/details?id=org.mozilla.firefox
 You’ll experience better responsiveness to panning and zooming, faster start up time and with enhanced JavaScript performance you’ll see faster page load times