(Work in progress) Recontrol only officially supports the Nintendo Pro controller.
(Work in progress) Recontrol only handles one gamepad at a time.
Recontrol automatically detects a gamepad that is paired with macOS over bluetooth.
On the Nintendo Pro controller, hold down the button on the top of the controller until it appears in macOS’ bluetooth menu.
Once Recontrol detects your gamepad, you will see this indicator: