How to search for an app in iOS 14.1

Would this be searching for an App already installed on the iPad? If so, you can use the Search feature.

From any Home Screen, to reveal the Search dialogue, simply swipe downwards from any empty space of the screen - other than the corners or top edge of the screen. Type the name of the App - and your should see a list of results; an installed App that matches your search clue should appear near the top of the list.