Mozilla's latest Firefox 4 Beta for Android and Maemo, which is the fastest performing Firefox 4 Beta for mobile yet.

The Mozilla Firefox 4 Beta is available inthe Android Market and here for Nokia Maemo device.

Mozilla said that the new mobile browser offer faster start-up, page load times and responsiveness to panning and zooming. The Firefox Mobile Add-ons Gallery also offers more than 100 add-ons to customize the features, functionality and look of the browser.

According to Mozilla, recent tests on JavaScript benchmarks show Firefox 4 Beta is faster than the stock Android browser; roughly three times faster on Kraken, about twice as fast on SunSpider and slightly faster on V8. Other advancements in this release include increasing stability, reducing installation memory usage, improving readability with zooming, and fixing some keyboard issues.

Firefox 4 Beta for mobile is built on the same technology platform as Firefox 4 for the desktop, optimized for browsing on a mobile device. It includes features like Firefox Sync, Add-ons and the Awesome Screen, to give users a personalized mobile browsing experience. Firefox Sync is integrated into Firefox 4 Beta to synchronize history, bookmarks, open tabs, passwords and form data across multiple computers and mobile devices.

Developers can now create mobile add-ons for Firefox that allow a user easily install and use that add-on without the need to restart their browser. With Firefox 4 Beta for mobile, developers can use the latest Web technologies like HTML5, CSS and JavaScript to build mobile apps and add-ons.

The release notes available here include a full list of features, updates and improvements included in this release.