I've been fiddling with Construct for awhile and I just now came across this question:
Can construct export the game as a SWF file?
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Construct can't export the game as a SWF file.
Construct currently only supports DirectX 9 games for Windows, but we're looking to expand that in future.
Definitely a good idea for Construct 2.0, given Adobe are porting Flash to mobile phones.
however .swf is frame based as far as I know.
of course that's only for animation. If everything's actionscript'd I guess you could do away with that.
A flash runtime would run using normal bitmaps, and not vectors, but this still would be very fast considering flash has begun adopting hardware acceleration. There's no logical problem to making a runtime with it, other than time.