You can turn this modular clamp-on controller into an N64 or GameCube gamepad
TL;DR
Hyperkin and GameSir's X5 Alteron is a modular clamp-on wireless controller for smartphones, tablets, and Nintendo Switch, featuring swappable controls and layouts.
Hyperkin announced a new clamp-on style wireless controller created in collaboration with GameSir. The X5 Alteron features similar functionality to GameSir's GameSir G8 Plus that debuted in 2024 with an expanding telescopic mechanism that can clamp onto smartphones, tablets, and several versions of the Nintendo Switch, replacing the Joy-Cons. What sets the X5 Alteron apart is a modular design allowing most of the controls on the front to be swapped out with alternate layouts, buttons, and joysticks.
Neither company has announced when the X5 Alteron will be available, how much it will cost, or how the alternate control modules will be sold. …