Desktop Linux for Consumers is a total loser
Remember how Linux-installed netbooks were going to be the wedge that drove Linux into the consumer mainstream? Yeahhhh, not so much.
Stick with phones - ultimately that's what everyone will be using in a few years for everything. There will be screen docks for you to drop your phone into to get more screen space for display. (Either you carry it yourself, or they are public like pay telephones are)