David (as it's mostly you as father of this child),
...there is a rapidly growing commercial product called Livecode, which is the successor of Metacard.
A year ago they added deployment engines (or "packs") for mobile, and today I have "hypercard on iOS or Android" (as well as OS X, Windows, Linux). They do a lot of things wrong, and a lot of things right, for example a paid ($299) developer program that influences the producet direction and gives access to developer previews.
Also, their release schedule is rapid, adding features as (paying) users ask for them.
I'd take a close look at the end result (though I suspect Visi.pro's journey will be different).
You might also want to take a look at the now slowed down REBOL and especially their "View" dialect as example. Or red-lang.org
I'm relearning Haskell as I type, and have great experience with REBOL (which is a brother of Lisp) and of course, Scala. Let me know if you need input. (if we had the money, I would gladly form a team in a venture backed company)