While I don't doubt that there is a market for
if you say so, I still think you're turning to the wrong people to make it.
Everyone here is a techie, at least to some degree. But this is a niche that appeals to too few. The point of this community is to help create products that the community wants. And while I, as I said, do think there is a market for what you propose, too few here are in that market. At least as of now.
Perhaps in a few years, if smartphones have died at the hands of the next thing in personal computing. Or the paradigm just have shifted enough for this to appeal to a majority of the community.