Does it run when you link directly to the Exported folder after you upload it?
for example on my site linking directly to the exported folder:
and I also have it in the Iframe:
The iframe if you want to compare it with yours:
style="margin-top: 5px; margin-bottom: 5px; width:800px; height:600px;"
alt="game, app, application, play, puzzle, marble, coin, touch, ios, android, lite, pucked, games, apps, marbles"
Sounds like it might be your "src=" is the URL correct?