This document discusses interaction design patterns for mobile interfaces. Patterns are design solutions that have proven effective. There are many sources of mobile patterns, including books and websites. Key challenges for mobile interaction include small screens, difficult text input, and slow connections. Mobile patterns aim to address these challenges. Examples of patterns for small screens include card stacks for pagination and pinch to shrink/spread to enlarge for information presentation. Patterns for difficult text input include autocompletion and tap to select. The document lists sources for various mobile interaction patterns.