So yes, Microsoft decided to change things up on us to keep us on our toes.
To add links that will direct users to specifics screens, here is the new way to do it.
In the App "StartScreen" Property add
If(Param("ScreenName") = "1", YourScreenOneSName, YourScreen2Name)
Your link will be the App's URL and &ScreenName=1
IE: apps.powerapps.com/play/696a0bed-f8a2-4524-b7fd-337d7eaafab18d8856-1f80-4aca-a208-dd9cd6ccc3ca&ScreenName=1
Find your App's link in the main menu in the App's details: