Experience Firefox OS on your Android device
Introducing Firefox OS 2.5 Developer Preview, an experimental app that lets you use Firefox OS on your Android device.
The Web is the platform
Firefox OS is the first truly open mobile platform built entirely on Web technologies. If you can build for the Web using HTML and CSS, you can build Firefox OS.
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The most customisation
Make Firefox OS your own with apps and add-ons from the Firefox Marketplace, and keep all your favourite items front and centre with Pin the Web.
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The most control
From Do Not Track to Private Browsing with Tracking Protection, Firefox OS is designed keep you in control of your browsing activity.
Learn more at MDN
Want to do even more with Firefox OS? Head over to the Mozilla Developer Network to learn more about platform guides, Firefox OS add-ons and more.