necesito un diseño para esta habitación. niño de 9 años. con cama

hi, can you make me? Can you make this room a chill room with a carpet and I want a big movie screen and I want that wall with a bunch of squares the B where I can put my cards in my memorabilia and just like reassign this room and make it futuristic and make it like the best futuristic room you made make it like really really good.

I am not sure on how to decorate livingroom and on what wall to put a 50 inch Samsung Frame TV on

room wall