ASO Expert for Mobile App

I need an experienced ASO specialist to improve my app's ranking on both the iOS App Store and Google Play Store.

Key focus areas include:
ASO (App Store Optimization)
Deliverables (Monthly)
App Title & Description Optimization (EN & AR)
Keyword Research for App Stores (Apple & Google Play)
Icon & Screenshot Recommendations (Design support optional)
Review & Ratings Strategy (Drive and respond to reviews)
Quarterly A/B Testing for store creatives
Monthly Performance Reporting
KPIs
App Store Visibility: Keyword ranking improvements
Conversion Rate on Store Page: 12% target
Monthly Downloads Increase: 15%
Rating Improvement: 4.5+ target

Please provide examples of previous work and success metrics.