I love these ideas. Another great implementation I've seen on here is someone using NFC/RFID chips to do something similar.
For my toddler, I've started the process of hooking up my TV with a Mac Mini, Broadlink RF dongle, and a Stream Deck. I'm using a python library to control the stream deck.
I'm configuring the buttons to play her favorite shows with jellyfin. End goal is to create a jukebox for her favorite shows/movies/music. Only thing I have it wired to do right now is play fart noises.