Here's a video of how the game works for me:
http://www.youtube.com/watch?v=ujg7KqW5igs

As you can see, the whistling can be laggy and not perfect, but it works.
I'm trying to reproduce the errors you are writing about but, unluckily, the game is quite stable for me. Will keep trying and fixing

I really need to borrow N93 for making those videos. This one is from N97, it gives you impression how shty camera is there.