Icloud mail for Android

See the following: Mail server settings for iCloud email clients - Apple Support

and

https://www.androidcentral.com/how-set-your-icloud-email-account-android

Note that you will need to turn on two-factor authentication if it is not already on and use an app-specific password rather than your usual Apple password. See: Two-factor authentication for Apple ID - Apple Support

and

Using app-specific passwords - Apple Support

You'll need to create an App Specific password to log into your emails on another device or third party mail app, and you can do so following these steps:

Using app-specific passwords – Apple Support