Your app store icons will show up in many different flows: when users search for your app, in charts and rankings, and when driving traffic to your app page. Therefore, to design a great icon, you need to think about how well it stands out amongst your competitors, and what kind of first impression it gives users.
"We test our icons extensively before every release, and have seen install rates increase by up to 45%"
A better version of your app page can double your conversion rates and significantly reduce the cost of user acquisition. You can test your screenshots, video, title and description to boost your growth.