If you don't know about Firefox OS you can read about here or here.
You can find an older version here.
Since it was almost one year old I decided to build this from source, it's the latest stable version (1.3).
I had to disable gralloc b...
Yes, there's still a lot of work to do, I just compiled B2G from source just for testing applications.
It isn't my job but if you tell me what is not working I can try to fix it.