App Store Optimization, or ASO, is a way of ensuring your app meets app store ranking criteria and rises to the top of a search results page.
1. Understand your customer and your competition
2. Choose the right app name
3. Maximize your keywords
4. Create a compelling description
5. Stand out with a unique icon
6. Include screenshots and videos
7. Localize your app listing
8. Increase traffic with outside promotion
9. Update frequently
10. Encourage ratings and feedback
Read more at: https://moz.com/blog/app-store-optimization-checklist