C2 uses a modular export system, so there is no doubt, in my mind, that there will be an exporter to those native systems.... someday.
Remember there is only one person working on this, and Ashley has stated he will not work on that part till he is satisfied with the Html5 portion.
In fact all current methods of publishing are html5 based
That's actually quite an achievement when you think about it.
So, false advertising? Not really.
Wishful thinking? Perhaps.
Also, remember most browsers play these games. Even on mobiles.