Hi there!
There is a game in the iphone appstore called "Match Two" from the unity guys and I wonder if there is also a tutorial or the sourcecode to this game anywhere...
thanx!
you could find the answer here: http://forum.unity3d.com/viewtopic.php?p=382396#382396
and the file: http://unity3d.com/support/resources/example-projects/iphone-examples
Download the iPhone-Match.zip