Is there a similar "simulator" appliance to demo how Active would behave on a phone formfactor while sitting at a desktop/laptop/workstation device, without having to install it on phone hardware?
My understanding is that Active so far has been targeting 9'' to 12'' tablet-like touch capable formfactors and not the smaller phone formfactors. I'm not sure I've ever seen Active UI/UX demo'd on phone formfactor. Not saying it doesn't play well there. I'm just saying I haven't seen what it looks like there. And I'm not prepared to assume that UI/UX optimizations for the 10''-ish tablet make sense for the pocketable phones.
That being said. Have 2 or 3 distinct open UIs to choose from as a user would not be the worst thing in the world. But man, from an app development standpoint, that's a nightmare right, there is always market pressure on devs to concetrate on the bang-for-the-buck instead of developing for all niche OSes.
If FirefoxOS does nothing else, but enshrine html5 as an open framework that app developers can code in, that can integrate well in multiple disparate mobile interface designs, that will be a big deal. Can we get to the point were html5 app developers can be reasonably certain that their app would work on a FirefoxOS or in Android or in Plasma Active? That would be a win for the ecosystem, regardless of the market penetration of any one UI platform relative to another.