http://mashable.com/2012/04/11/mobile-app-design-tips/
1. Don’t Begin Wireframes or Designs Without a Flowmap
2. Don’t Disregard the Development Budget
3. Don’t Start With Low Resolutions & Avoid Bitmaps
4. Don’t Undersize The Hit Area
5. Don’t Gratuitously Use Intro Animations
6. Don’t Leave Users Hanging
7. Don’t Blindly Copy Style From Other Operating Systems
8. Don’t Overstuff Pixel-Dense Screens
9. Don’t Assume Everyone Will Use Your App The Same Way You Do
10. Don’t Forget About Gestures, But Don’t Abuse Them Either