Aug 6, 2011

ANDROID DESIGN GUIDELINES

http://www.mutualmobile.com/android-design-guidelines/

Cocoa Controls - custom UI Component Database for iOS and Mac OS X

Mobile UI Patterns

http://mobile-patterns.com/

pttrns - iOS UI Patterns

lovely ui - a collection on mobile ui elements, mobile patterns and more

Modal and Modeless Windows Best Practices

Visual Website Optimizer


http://visualwebsiteoptimizer.com/

iPad Usability Best Practices Checklist