8BitDo Micro

Despite looking similar, the micro is a decent upgrade to the zero/zero 2s 6 buttons and a dpad, which one would think would be enough to play a decent range of games. One would be wrong.
The micros two extra shoulder and function buttons drastically increase the range of games that can be played. This combined with the more solid construction makes it a really neat tiny controller.
My only gripe is that like the zero 2 there's no button locking mechanism for something you ideally want to carry in your pocket or in the sides of a backpack, in which case it will be endlessly turning on.
A version with a small lite 2 style joystick or two might be nice too.

I got this to program keyboard shortcuts for use with art programs. It was easy to download the app and assign keys (and also change the programming as needed). Arrived faster in the mail than I expected, also.

Without a doubt, as a controller in this size, is amazing. Not a fan of pressing the Dpad too much to register the input, but it works alright. Maybe a misinput here and there, but nothing to worry about too much. And the Keyboard functionality with macros works AWESOME! I've been doing my work more dynamic!

8BitDo Micro

I love mini things, this is perfect, works as advertised and it feels so funny to use I literally have to voice how amusing I find its tiny size every five minutes when using it