This document discusses 10+1 interaction principles for mobile UI design:
1. Learnability - The interface should be easy to use for first-time users.
2. Efficiency - Key tasks should be optimized to be as efficient as possible.
3. Memorability - Frequency of use impacts memorability; consistent design helps users remember.
4. Error recovery - Users should not be allowed to make mistakes; feedback prevents errors.
5. Simplicity - Avoid unnecessary functionality; keep visual design clean and minimal.
6. Mapping - What users expect to happen matches actual interactions.
7. Visibility - Understand user goals and make all interactive elements visible and identifiable.
8. Feedback -