Mozilla Firefox has landed on Android. While still in beta, it promises to be fast, responsive, and efficient. Some features built in include Firefox Sync for syncing history, bookmarks, and more, add-ons, a personalized start page with access to bookmarks and tabs, the "awesome screen" that learns as you use the web to present you with the best bookmarks and history items along with a search engine, and these other features included in the release notes:

- Pinch-to-zoom (Android), double-tap, or use the volume rocker (Nokia N900) to zoom in and out
- Tabbed browsing in thumbnail view lets you easily see and open the site you want
- Location-Aware Browsing gives you content and info relevant to your location
- Find in Page in the Site Menu lets you quickly find text on the webpage
- Share Page in the Site Menu lets you send content to email, Facebook, Twitter and Google Reader
- Forget Password in the Site Menu tells a website you no longer trust to forget your private data
- Add Search Engine in the Site Menu lets you quickly add a new search engine to your Awesome Screen
- Context Menu lets you Open in New Tab and Share by long tapping and holding a link
- Smart Tapping lets you tap on links, widgets and other Web content with accuracy
- Password Manager lets you choose to remember site password to avoid typing

Firefox 4 Beta 1 for Android and Nokia's Maemo platform is available here as a free download.