psp Steam Deck Press the STEAM button to view hotkeys. Intended to be used with emulator frontends (Pegasus, ES-DE). Hold Start to switch between Cemu, Citra, melonDS (Standalone), and mGBA (Standalone) Hotkeys layer and the All Hotkeys layer. If you are using the melonDS DS and mGBA RetroArch cores, use the All Hotkeys layer. Mouse Inputs Keyboard Inputs Gyro Inputs Gamepad Inputs
