Firefox OS Simulator Reaches 1.0
The Firefox OS Simulator is distributed as a Firefox add-on, which when installed allows you to launch Firefox OS straight from Firefox.
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Mozilla Makes it Easier to Play with Firefox OS
Just recently Mozilla developers created an add-on that would allow you to install, run and test Firefox OS straight from the browser. Now they have added another convenient way to test Firefox OS.
What You Need to Know About Mozilla’s Firefox OS
Imagine an OS that has only a browser installed, boots straight into it. This is the premise of both Firefox OS and Chrome OS, but the similarities end there.