Link: atMedia.info – quickly and effectively identify required media queries for specific devices
Mobile usage & marketing statistics 2012 (SnapHop)
CSS Media Queries for iPads & iPhones
Another designer-developer’s reference library of iOS & Android UI by category (Mobile Patterns)
Link: Another designer-developer’s reference library of iOS & Android UI by category (Mobile Patterns)
A library of iOS and Android screenshots for designers and developers to reference.