When you're uploading an ipa or an apk in your store, you're being asked to add information about your app in the "Store page" :

This is important as it will help your user understand the purpose of your app! Add a few screenshots, a nice banner... and that's it! In just a few minuts, you've made your app much more attractive! 

You can add :

  • a description
  • a banner and introduction phrase 
  • screenshots
  • a category
  • changelog (useful if you want to inform testers about changes in this version)

For instance, here's an app which has a banner and screenshots in the store: 

And a description:

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