My first iphone app was just approved. I used V-ray for most of the rendering, I used mental ray for rendering the beard because I'm still using max 2009 and the hair doesn't seem to be fully supported. My site has a direct link to it in the App Store.
http://wdcstudios.blogspot.com/2009/...available.html
http://wdcstudios.blogspot.com/2009/...available.html