You might want to have a look at the razer kishi. Alternatively if you want a standalone controller, you might want to look at the following 8bitdo products: -

You might want to have a look at the razer kishi. Alternatively if you want a standalone controller, you might want to look at the following 8bitdo products: - sn30 pro - lite 2 - zero - micro The latter two are comically miniscule. In my opinion the sn30 pro is the sweet spot between portability and actually being able to play comfortably.