Mobile User Experience Guidelines

Can’t think of a better list than the table of contents in Apple’s iOS Human Interface Guidelines:

• Focus on the Primary Task
• Elevate the Content that People Care About
• Think Top Down
• Give People a Logical Path to Follow
• Make Usage Easy and Obvious
• Use User-Centric Terminology
• Minimize the Effort Required for User Input
• Downplay File-Handling Operations
• Enable Collaboration and Connectedness
• De-emphasize Settings
• Brand Appropriately
• Make Search Quick and Rewarding
• Entice and Inform with a Well-Written Description
• Be Succinct
• Use UI Elements Consistently
• Consider Adding Physicality and Realism
• Delight People with Stunning Graphics
• Handle Orientation Changes
• Make Targets Fingertip-Size
• Use Subtle Animation to Communicate
• Support Gestures Appropriately
• Ask People to Save Only When Necessary
• Make Modal Tasks Occasional and Simple
• Start Instantly
• Always Be Prepared to Stop
• Don’t Quit Programmatically
• If Necessary, Display a License Agreement or Disclaimer
• Enhance Interactivity (Don’t Just Add Features)
• Reduce Full-Screen Transitions
• Restrain Your Information Hierarchy
• Consider Using Popovers for Some Modal Tasks
• Migrate Toolbar Content to the Top