If you are experiencing issues with the "Search" function on Apple TV where it returns results from all Apple TV apps instead of just the WBD Screeners App, please make sure that when you navigate to the "Search" menu item in the WBD Screeners App on Apple TV, that you hit the "ENTER/SELECT" on the Apple Remote when you are on the "Search" menu item.  This will hide the menu items and this is the only way to filter your search to the app only.
 

Below are some frame grabs for reference: