I don't think that Firefox OS needs to grab a significant market share to be a success, as its goal is really to develop the relevant APIs, and to promote the use of apps written with web technologies. Even a minor success could lead others to adopt their APIs, and with 2 or more implementations, these might reach the W3C.
Where Firefox OS needs to get traction is with the networks, which is the first thing they've done. Anything which can be easily customised (and what could be easier than HTML+CSS+JS? will attract a lot of interest from them).
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I don't think that Firefox OS needs to grab a significant market share to be a success, as its goal is really to develop the relevant APIs, and to promote the use of apps written with web technologies. Even a minor success could lead others to adopt their APIs, and with 2 or more implementations, these might reach the W3C.
Where Firefox OS needs to get traction is with the networks, which is the first thing they've done. Anything which can be easily customised (and what could be easier than HTML+CSS+JS? will attract a lot of interest from them).