You don't add a new screen.
You plug it into the family TV. Just like you did in the eighties when you were a kid learning to program with your Speccy or c64 or whatever. Mom or Dad or your siblings can hang out and comment on what you're doing with it. That's the experience Raspberry has been claiming to want to reproduce since they first came onto the scene in 2012, despite them not getting around to stuffing a Pi into this form factor until 2022.