There is only one. The iPhone Simulator provided by the Apple SDK. (YouTube http://youtu.be/wP9E0-20B4c?a)

I uploaded a YouTube video -- iPhone Mastermind MobiMind http://youtu.be/wP9E0-20B4c?a

I uploaded a YouTube video -- iPhone Mastermind App in action (MobiMind) http://youtu.be/mEei75QehVE?a

I posted 9 photos on Facebook in the album "Screenshots of MobiMind App in action..." http://bit.ly/73lONz

Just launched for the iPhone and iPod Touch http://bit.ly/7b2F0t