🎮 UNIVERSAL HANDHELD SHORTCUT MATRIXOnionOS • muOS • RetroArch • Android • SteamOS
Retro Handheld Hotkey Cheat Sheet & Button Mapping
Nothing breaks gameplay immersion faster than accidentally deleting a 40-hour save state or not knowing how to quit back to your launcher. Here is the definitive cross-firmware reference card for every handheld OS.
Interactive Reference
OS Hotkey Matrix Selector
Choose your operating system to reveal the exact physical button shortcuts.
Miyoo Mini / Mini Plus Dedicated Firmware
OnionOS v4.3 Hotkey Profile
Primary Trigger: MENU (Front Button)
OnionOS Pro Tip: Short pressing the MENU button triggers the legendary "GameSwitcher" switcher menu, instantly snapshotting your game and letting you jump between your 10 most recent games with zero loading screens!
Master Firmware Hotkey Cheat Sheet
Side-by-side comparison of essential gaming functions across all 5 major retro gaming operating systems.
| Function | OnionOS (Miyoo) | muOS (RG35XX) | ArkOS / Linux | Android Standalones | SteamOS |
|---|---|---|---|---|---|
| Exit Game | Menu + Start (or Power) | Fn + Start | Select + Start (x2) | Swipe Back / Home | STEAM + B (Long press) |
| Open Menu | Menu + Select | Fn + Select | Select + X | L3 + R3 (Mapped) | STEAM button |
| Quick Save (State) | Menu + R1 | Fn + R1 | Select + R1 | Overlay Quick Save | RetroArch / EmuDeck key |
| Quick Load (State) | Menu + L1 | Fn + L1 | Select + L1 | Overlay Quick Load | RetroArch / EmuDeck key |
| Fast Forward (Toggle) | Menu + R2 | Fn + R2 | Select + Right (Hold) | R2 / Hotkey Mapped | R4 / L4 Back Grip |
| Take Screenshot | Menu + Power | Fn + X | Select + Y | Power + Vol Down | STEAM + R1 |
| FPS Counter Toggle | Via RetroArch Menu | Fn + Y | Select + Down | In-Emu OSD Settings | QAM (...) -> Perf Level |