The Waver app - App store optimization (both Google play and App store)

The Waver app is Android and Ios app which connects people with mental health problem. App is already implemented both for Android and Ios. The App is one of its kind. This app will change the world one day. I am looking for someone who can promote my app. App will be started in USA (east coast). web url - [login to view URL] App store optimization I am looking for somebody who done ASO before. ASO optimization should involve: - Keywords Research & Optimization - Promo video (can be animated) - App Title & Description Optimization - other