Articles and Reference about iOS and Android
When to use Storyboard and when to use XIBs http://stackoverflow.com/questions/9404471/when-to-use-storyboard-and-when-to-use-xibs
Segue to another storyboard http://stackoverflow.com/questions/9575702/segue-to-another-storyboard/9610972
iPhone iOS 6 Development Essentials http://www.techotopia.com/index.php/IPhone_iOS_6_Development_Essentials