Mobile operating systems simply are _far_ to complex
What we need is a simple system without the attack surface of some hugely overcomplex pseudo object orientated system. Essentially something close to what the "suckless" people make, a simple way to switch between virtual framebuffer terminals. A system designed not by some clueless user experience designer, but by someone who actually uses it.
There are billions of mobile phones out there, surely there's a market for phones which don't cater to the lowest intellectual denominator. Let's build mobile devices for people who don't need an app to tell them when to drink.