Rockin50s Radio

On Your Android Phone,

Wait for the action
Install Rockin50s Radio App
click install.

On your IPhone,

The steps to add apps to the home screen are:
Open the Share menu, available at the bottom or top of the browser.
Click Add to Home Screen.
Confirm the name of the app; the name is user-editable.
Click Add. On iOS and iPadOS, bookmarks to websites and PWAs look the same on the home screen.