Phats had IR ports so anything with IR can be played with.

It can emulate a lot of old systems including the n64 to some degree. PS1 too.

The web browser became useless for the modern web a long time ago, but it can still be used for very small/simple sites.

Lots of homebrew games out there.

Great platform to learn Lua on

It’s basically cracked open entirely… So good learning platform for that too.