Because these are browser-based shortcuts, you must use the Steam Deck's trackpads or analog sticks to move a mouse cursor. It is highly recommended to use the "Web Browser" controller layout to make navigation feel intuitive.
Based on user feedback, there are two primary ways to set this up: Steam Deck | How to Add Your Favorite Streaming Apps Add Your Favorite Streaming Apps To The Steam Deck
Adding streaming apps to your Steam Deck Go to product viewer dialog for this item. Because these are browser-based shortcuts, you must use