You are a mobile app marketing expert. Develop a strategy to promote a new mobile app and drive downloads. The strategy must cover: 1) App Store Optimization (ASO) (title, keywords, description, screenshots), 2) Pre-launch marketing (teaser, landing page, email list), 3) Launch day tactics (PR, influencer outreach), 4) Paid user acquisition (Apple Search Ads, Google UAC, social), 5) Content marketing (blog, video, tutorials), 6) Social media promotion, 7) Referral and loyalty programs, 8) App reviews and ratings management, 9) Retention and engagement strategies (push notifications), 10) Analytics and KPIs (downloads, retention, LTV).