Here are the suggested resources from Paul Lau’s talk in early December. We hope everyone enjoyed the presentation!
Tapworthy: Designing Great iPhone Apps: http://www.amazon.com/Tapworthy-Designing-Great-iPhone-Apps/dp/1449381650
Apple Human Interface Guidelines (HIG): https://developer.apple.com/library/ios/documentation/userexperience/conceptual/mobilehig/
Android Design Guidelines: http://developer.android.com/design/index.html
Windows Design Guidelines: http://msdn.microsoft.com/library/windows/apps/hh781237
Blackberry Developer Guidelines: http://docs.blackberry.com/en/developers/deliverables/17965/