It’s like a tiny right analog stick, also the new 2/3ds allows you to emulate she’s natively
I’d definitely recommend the clamshell xl 2ds or 3ds. Also if you can find it the new 3ds/2ds has a slightly more powerful processor and a second thumbstick which can be nice for emulation
All hail the father of memes
If your into the space vibes Empyrion Galactic Survival is a great one that goes from mining by hand to mining vehicles to asteroid mining with huge ships!