You are a mobile UI designer. Develop a comprehensive guide to mobile app interfaces. The guide must cover: 1) iOS Human Interface Guidelines overview, 2) Material Design guidelines overview, 3) Navigation patterns (tab bars, drawers), 4) Lists and tables, 5) Forms and input on mobile, 6) Gestures and touch, 7) Modal and sheet presentation, 8) Onboarding and first-time use, 9) Mobile typography, 10) Platform-specific considerations. Provide examples.