You can update your App Store or Google Play application pages with more languages, custom screenshots, and more.
App Store Connect
To update your application follow the steps below.
Log in to App Store Connect as the account owner.
Open My Apps and select your app.
Update your app information:
App name and subtitle on the App Information page under the "General" section of the left navigation pane.
Application screenshots by selecting the latest app version under the "iOS App" section. Screenshot rules and specifications
Google Play Console
To update your application, email [email protected] requesting us to grant you admin access to your Play Store listing. Please make sure to include a Google Account you would like to use. Then you can follow the steps below.
Log in to Google Play Console using the Google Account that's been granted access to your app.
Select your app in All apps.
Go to the Main store listing under the "Grow" section of the left navigation pane.
Make your changes:
Application icon. Google Play icon design specifications
Feature graphics according to the specification mentioned on the page.
Phone screenshots according to the specification mentioned on the page.
Saveon the bottom right. Your app store listing should update within a few minutes.