Tomasz, sounds like you haven't seen one of our next beta features… http://unicorn.wmflabs.org/winter/ we're working hard on consistancy and convergence already.
It's got potential but it needs work to take advantage of a small screen.
Issues that i'm seeing right now
* no mobile resizing at all
* article buttons overlap article text small screen
* article icons overlap article text on small screen
* search overlaps article text on small screen
What can my teams do to help to refine this so that its ready for mobile on day 1?