Untitled Goose Game comes to mind as a great "slapstick" game.

honk

It doesn’t work for unattended access.

Aha. Didn't think about unattended access... Good luck!

Transistor

All the music from any Supergiant game is ridiculously good.

• Disco Elysium introduced me to Sea Power, who have a bunch of cool albums.
• Outer Wilds - I think of the main theme every once in a while and remember all the awesome stuff in that game.

I don't have any great advice for phones, so definitely looking forward to reading everyone else's replies, but:

I gave up on trying to figure out how to remote into the chromebook.

Does Chrome Remote Desktop work on Chromebooks? I've had really good luck with this in general for PC support.