1. Apps must provide stable, functional, native-like experiences — no pure WebView wrappers unless they add native functionality; 2. No placeholder/blank content — all pages must have real content; 3. Multiple similar apps must differentiate their metadata; 4. Crash rates above 1.5% trigger low-quality tagging — keep below 0.5%; 5. If login is required, provide a demo account or Demo mode for the review team.