R2D2B2G (Ready to Deliver to Boot to Gecko - “Boot to Gecko version ready for delivery”) is an extension to the Firefox browser from the developer Myk Melez (Mozilla), with which you can get acquainted with the experimental prototype of the graphical interface of the mobile operating system Firefox OS, about which already
wrote on Habré .
Direct download links:Mac ,
Linux (32-bit), and
Windows .
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Windows version does not work - it crashes regularly (
bug 795484 - B2G Desktop crashes on startup).
The r2d2b2g extension itself installs the newest version of the Firefox OS interface, so you can now evaluate the performance of web applications on mobile devices running the Firefox OS.
To start the menu, select “Tools> B2G Desktop”:

To install the application, select the menu item “Tools> Install Page as App”.
Here is what the OS interface looks like now:
