What are some good games to get for my handheld emulator?

Just got a Caanoo handheld emulator. Basically it’s a “game boy” (in reality it’s a small computer) but I can load all sorts of emulators on it that will allow me to play games from various old game systems. SNES, NES, Sega, Atari… all the way up to playstation 1 games this thing can handle.

It takes a while in many cases to finagle it (it’s a linux based thing) to work, so I’m trying to focus on games I definitely want to play. I have a bunch of old SNES RPG games already. What games would you suggest? Again this thing can run basically anything from Playstation 1 and before, including most arcade games. Keep in mind it’s hand held, so some games wouldn’t be practical (or enjoyable).