EDIT: I asked; am waiting for a reply. Will post when (if) I get it.
2nd EDIT: It appears that they haven't decided. I'd go ahead and submit your idea.
But--they won't have to optimize for that. They can deal with the common cases.
http://www.sealiecomputing.com/newtglider/
I don't think pre-written games would be allowed though :)
EDIT: I asked; am waiting for a reply. Will post when (if) I get it.
2nd EDIT: It appears that they haven't decided. I'd go ahead and submit your idea.