Guidelines for Publishing Android and iOS apps on stores
Following are the requirements from app stores in order to submit/update an application there.
The name will be reviewed before it is made available on the App Store.
A description of your app, detailing features and functionality.
Screenshots must be in the JPG or PNG format, and in the RGB color space.
Upload between 2 and 8 phone screenshots
App previews must be in the M4V, MP4, or MOV format and can’t exceed 500 MB
Add a video to your store listing by entering a Youtube Url.
The subtitle will be reviewed before it is made available on the App Store.
Promotional text lets you inform your App Store visitors of any current app features without requiring an updated submission. This text will appear above your description on the App Store for customers with devices running iOS 11 or later, and macOS 10.13 or later.
What’s New in This Version
Describe what’s new in this version of your app, such as new features, improvements, and bug fixes.
App Clip: (We are not using this feature yet)
You can set up a default app clip experience in App Store Connect. Default app clips can be invoked only in Safari by a meta tag and must include a valid domain
A short description of your app. Users can expand it to view full description.
Your app icon shown on Google Play. This doesn’t replace your app’s launcher icon.
Shown at the top of your store listing. May also be used to promote your app in other places on Google Play.