hi actually i recorded 2 demos using Bias for the Iphone, this are the links in case you want to check them out!
Bias (Positive Grid) on Iphone 5 Preview
https://www.youtube.com/watch?v=Y4jJN6YApqI
Bias (Positive Grid) on Iphone 5 Preview #2
https://www.youtube.com/watch?v=7vbrSm1wBig