No, it's fine. Also fine if you go straight to the game on the app, if you deviate round the site, or play again that when it freezes...
I've seen those posts but was advised that they won't make a difference and better to use a hosted html5 version. Do you think that's incorrect and i should be doing it like the links suggest. We exported a version early on as Windows 8, which didn't help, but I think it's worth doing it with this plugin if the app allows...