Some very revealing stuff about Ubuntu for Mobile...
https://twitter.com/stroughtonsmith/...59604455600128
In that thread there's a link to a Phoronix article, it's worthwhile reading that & it's corresponding thread.
Personally I'm quite disappointed they've gone this route, Ubuntu's moved further down my interest list.
I still wish them well, but Sailfish's success is now even more crucial/important.