1. Titles must naturally reflect the app's core functionality — no keyword stuffing; 2. The first 220 characters of the description determine search result display — include core selling points and value proposition; 3. Screenshots must accurately represent the app UI — no simulated device frames or non-existent features; 4. A/B test each screenshot's position and order — Google Play allows up to 8 screenshots; 5. Update metadata regularly (at least quarterly) — Google's algorithm rewards active updates.