Ultimate R36S Hotkey Guide: Master Your Handheld

Written by: LIAM PARKER
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January 20, 2026
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13 min
R36S handheld controller layout diagram showing ArkOS/RetroArch hotkeys and button functions.

Quick visual map of the most-used R36S hotkeys—menu, inventory, map, and action shortcuts at a glance.

⚡ Quick Answer: Essential R36S Hotkeys

The "Fn" button (often the central button or 'Select') is your key to system controls. 

Hold Fn + Start to Exit Game.

Hold Fn + R1 to Save State.

Hold Fn + L1 to Load State.

Hold Fn + X for the RetroArch Menu. Mastering these shortcuts is critical for a smooth ArkOS experience.

R36S Hotkeys are the secret sauce that transforms a standard gaming session into a seamless nostalgic journey. At 2Bluebox, we understand that nothing ruins the vibe of playing Street Fighter or Pokemon faster than being stuck in a loop without knowing how to exit. Today, we are going to dive deep into the controls of the 2Bluebox R36S Retro Handheld Console, ensuring you have total command over your device. Whether you are looking to save your game instantly or adjust the screen brightness late at night, this guide covers it all using the ArkOS Shortcuts system.

In this guide, we will explore:

  • The essential function key combinations.
  • How to manage save states like a pro.
  • Troubleshooting when buttons refuse to cooperate.
  • Advanced tweaks for the R36S CPU performance.

Video: R36S ArkOS setup + hotkeys walkthrough (Source: Alex Blogoodf).


1. What makes the Fn button the most important key on your R36S Hotkeys list?

💡 Summary: The 'Fn' (Function) button acts as a modifier, like the Shift key on a PC. It is usually the small button in the center or the 'Select' button, depending on your R36S batch.

When you first pick up the R36S Handheld, you are immediately greeted by a layout that feels familiar yet distinct. It channels the spirit of the classic retro gameboy but packs the punch of a modern Linux-based computer. The most powerful tool in your arsenal is not the A or B button, but the Function key, often referred to as the Fn button. Understanding this button is the gateway to mastering R36S Hotkeys. 🎮

The Architecture of ArkOS Shortcuts

The R36S usually runs on ArkOS, a specialized operating system designed for retro handhelds. Unlike the original consoles from the 90s which had physical reset buttons and no concept of save states, the Retro Handheld Game Console uses software emulation. This means the software needs a way to receive commands that the original game never supported.

The Fn button acts as a modifier. Think of it like the Shift key on your computer keyboard. On its own, it might do nothing, or it might bring up a menu. But when combined with other buttons, it sends a specific command to the R36S CPU to interrupt the game and perform a system-level task. (Source: GitHub - ArkOS Wiki, Global Event Keys and Emulator Event Keys)

Identifying Your Function Key

On most R36S Handheld Game Console units, the Fn button is distinct. However, depending on the specific batch of production or the button mapping you have set up, the Select button often doubles as the Fn key in many emulator cores.

Close-up of the R36S showing the Fn button location between Select and Start.

Find your “hotkey” button: most R36S units have a dedicated Fn key, but some setups use Select as the hotkey.

  • Standard Layout: Dedicated 'F' or 'Fn' button in the center.
  • Alternative Layout: The 'Select' button acts as the hotkey enabler.

We at 2Bluebox recommend testing this immediately upon booting a game. Hold down Select or the F button and press Start. If the game exits, you have found your magic key. This simple check saves hours of frustration later. (Source: RetroGameCorps, R36S Review & Guide - Button Mapping Section)

Why Context Matters

The beauty of R36S Hotkeys lies in their context. When you are in the main menu (EmulationStation), the buttons do one thing. When you are inside a game (RetroArch), they do another. This guide focuses primarily on the in-game ArkOS Shortcuts because that is where most users face challenges.

Common Button Confusion

It is important to note that the R36S Retro Handheld Game Console is a community-driven device. Updates to ArkOS released in late 2025 have standardized many of these controls, but you may find variations if your system is outdated.

Physical Button Function in Menu Function in Game (with Fn held)
Start Open Menu Exit Game
Select Options/Screensaver Hotkey Enabler
R1 Page Down Save State
L1 Page Up Load State
X Random Game Menu/RetroArch
Table 1: Comparison of button functions between the Main Menu and In-Game Mode on ArkOS. 🚀 Get Your R36S Now - $79.99 USD (~$126 AUD)
Pro Workflow

2. How do I exit games and manage save states using R36S Hotkeys?

💡 Summary: The most critical combo is Fn + Start to exit. For saving progress anywhere, use Fn + R1 (Save) and Fn + L1 (Load).

The most frantic search query we see from new owners of the R36S Honest Review: Is It Still the Best Handheld Under $100? is simply: How do I get out of this game? It is a valid question. You are deep in a dungeon in Zelda, it is 2:00 AM, and you need to sleep. You do not want to lose progress, but you cannot find a 'Quit' option in the game main menu because the original NES did not have one. 🛑

Exiting the Game: The Golden Combo

To exit almost any emulator running via RetroArch on the R36S, you need to use the following combination:

Fn + Start

R36S controls showing the Fn and Start buttons used to exit RetroArch games on ArkOS.

Exit shortcut: press Fn + Start to return to the game list on most RetroArch cores.

  1. Press and hold the Fn (or Select) button.
  2. While holding it, press the Start button once.
  3. The screen should flash briefly, and you will return to the game list.

This is the universal R36S close game shortcut. It commands the emulator core to terminate immediately. (Source: GitHub - ArkOS Wiki, Global Event Keys)

The Magic of Save States

Back in the 90s, we had to write down 20-character passwords or hope the internal battery in the cartridge did not die. With the Game Master R36S, we have Save States. This feature takes a snapshot of the R36S CPU memory at that exact moment. 💾

Video: Save/Load States on R36S (RetroArch hotkeys) (Source: UV Tech Tips).

Saving Your Game (Save State)

To save your progress instantly:
Fn + R1

  • Action: Hold Fn and tap the Right Shoulder button (R1).
  • Visual Cue: You will usually see a small text notification in the bottom corner of the screen saying Saved State to Slot #0.

Loading Your Game (Load State)

To resume exactly where you left off:
Fn + L1

  • Action: Hold Fn and tap the Left Shoulder button (L1).
  • Result: The game jumps back to the exact frame where you saved.

Managing Multiple Slots

Sometimes you want to save before a boss fight but keep your start-of-level save file too. You can change the save slot using R36S Hotkeys.

  • Next Save Slot: Fn + D-Pad Right
  • Previous Save Slot: Fn + D-Pad Left

3. Why are brightness and volume controls vital R36S Hotkeys for portable gaming?

💡 Summary: Use Fn + Vol Up/Down to adjust screen brightness. Lowering brightness by 20% can extend battery life by up to 30 minutes.

The R36S Handheld is designed for portability. This means you might be playing on a bright park bench or hiding under a blanket at night. Adjusting settings through a menu is cumbersome and breaks immersion. Fortunately, the R36S Hotkeys include global controls for hardware adjustments. ☀️

Controlling Screen Brightness

The screen on the R36S is a vibrant IPS display, which is beautiful but can be a battery drain. Managing brightness is key to extending your playtime on the retro game console with built-in games list.

  • Increase Brightness: Fn + Volume Up
  • Decrease Brightness: Fn + Volume Down

Note: In some versions of ArkOS (specifically updates after January 2025), this might be mapped to Fn + D-Pad Up/Down. We recommend trying both.

Volume Management

While there are physical volume buttons on the side of the RS36 Game Console, software volume boost is also an option in some cores. However, the side buttons are your primary tool. 🔊

Advanced Audio Hotkeys:

  • Mute: Fn + L3 (Clicking the left stick) – This is a common setting in custom firmwares.
  • Audio Latency Adjustment: Accessed via the RetroArch menu (Fn + X) if the sound is crackling.

Checking Your FPS (Frames Per Second)

For the tech-savvy users wondering how well the R36S CPU is handling a heavy PS1 game, you can toggle the FPS counter.
Fn + Y


4. Where is the ultimate R36S Hotkeys cheat sheet for every emulator?

💡 Summary: A complete visual guide and table of all essential ArkOS commands. Screenshot this for your next gaming session.

Navigating the world of ArkOS Shortcuts can be overwhelming. To help you, we have compiled a definitive cheat sheet. This section acts as your R36S hotkey guide image in text form, perfect for screenshotting and keeping on your phone. 📝

R36S ArkOS shortcuts cheat sheet listing hotkeys for save state, load state, menu, and quick settings.

Downloadable R36S ArkOS hotkeys cheat sheet—ideal for quick reference while playing.

The 2Bluebox Master Cheat Sheet

Action Button Combination Notes
Exit Game Fn + Start Returns to game list
Save State Fn + R1 Instant save
Load State Fn + L1 Instant load
Menu (RetroArch) Fn + X Opens advanced settings
Reset Game Fn + B Soft reset
Fast Forward Fn + R2 Speed up game (Toggle/Hold)
Rewind Fn + L2 Rewind time (if enabled)
Screenshot Fn + Power Saves image to SD card
Slot Increase Fn + Right Change save slot
Slot Decrease Fn + Left Change save slot
FPS Counter Fn + Y Show/Hide FPS
Table 2: The Definitive R36S Hotkey Cheat Sheet for RetroArch Systems.

Emulator Specific Exceptions (PSP & DS)

It is crucial to understand that the R36S Retro Handheld Game Console runs different cores. While the list above works for 90 percent of systems (NES, SNES, Genesis, GBA, PS1), some require different approaches.

PSP (PPSSPP): The PSP emulator is a standalone application. Exit: Press the Menu button (sometimes mapped to L3 or Select) to bring up the PPSSPP menu, then select Exit. (Source: PPSSPP Official Guide, Controller Mapping)

Nintendo DS (Drastic): Menu: Press L3 or click the right stick (R3) to open the Drastic stylus menu.

R36S running Pokémon HeartGold with Drastic emulator menu access for Nintendo DS controls.

Nintendo DS tip: use the right stick (R3) to simulate stylus input and open the Drastic menu when needed.

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5. How can you fix common issues when R36S Hotkeys stop responding?

💡 Summary: If Fn+Start isn't working, check if you're in "Kiosk Mode" or if your mapping was reset in RetroArch settings. Corrupted SD cards are also a common culprit.

Nothing is more frustrating than pressing Fn + Start and having nothing happen. You are trapped in the game. Before you reach for the power button and risk corrupting your SD card, let us troubleshoot the FN button not working R36S issue. 🛠️

Scenario 1: The Function Key is Not Mapped

Sometimes, after a fresh update or a system restore, the hotkey enabler gets unmapped. If you have recently performed a system update (see our Step-by-Step Guide to Updating ArkOS on Your R36S for safe practices), you might need to re-map this.

RetroArch settings menu on R36S showing input and hotkey configuration options.

If hotkeys stop working, check RetroArch Input/Hotkeys settings and remap the hotkey enable button.

  1. Open the ArkOS Main Menu.
  2. Navigate to RetroArch.
  3. Go to Settings > Input > Hotkeys.
  4. Look for Hotkey Enable.
  5. Press the button you want to use (we recommend Select or the dedicated Fn button).
  6. Crucial Step: Go back to the main menu and select Configuration File > Save Current Configuration. (Source: Docs.Libretro.com, Input and Controls)

Scenario 2: You are in "Kiosk" or "Kid" Mode

The R36S has a UI mode designed to prevent children from messing up settings. If you accidentally activated this, many R36S Hotkeys (especially those accessing menus) are disabled.

Scenario 3: Corrupted SD Card

The stock SD cards that come with the R36S Console are notorious for failing. If your hotkey settings keep resetting or games freeze when you try to exit, your card might be corrupted, potentially leading to a black screen. For more on this critical error, read our guide on R36S Black Screen of Death? Here Is How to Fix It.

Scenario 4: The Physical Button is Stuck

The membrane under the buttons of the RS36 Game Console can sometimes get stiff or misaligned. Go to the input test in ArkOS settings to verify if the button registers.


6. Conclusion

Mastering R36S Hotkeys is the difference between struggling with technology and enjoying a pure, nostalgic gaming experience. By understanding the role of the Fn button, memorizing the critical save and load commands, and knowing how to troubleshoot, you elevate your status from a casual player to a true retro game console master. 🏆

We at 2Bluebox believe that these handhelds are time machines. They transport us back to simpler days. Whether you are using the Fast forward hotkey to grind through an RPG or the R36S save state hotkey to conquer a difficult boss, these shortcuts are designed to respect your time and enhance your fun. If you are looking for new titles to test these shortcuts on, browse our full R36S Game List.


7. Frequently Asked Questions (FAQ)

💡 Summary: Quick fixes for frozen screens, remapping buttons, and taking screenshots.
Q1: My R36S is frozen and Fn + Start is not working. What do I do?
Quick Answer: Force Shutdown.

If the software is completely locked up, hold the physical Power Button and the Reset button (if available on your model) for about 10 seconds. This forces a hardware shutdown. Be careful, as this can corrupt data if done while saving.

Q2: Can I change the R36S Hotkeys to different buttons?
Quick Answer: Yes, via RetroArch Settings.

Yes. You can customize this in RetroArch. Go to Settings > Input > Hotkeys. Here you can map Save State or Exit to any button you prefer on your R36S Gaming device.

Q3: Does the R36S have a sleep mode hotkey?
Quick Answer: Tap Power Button (or Fn + Power).

Usually, tapping the Power Button once puts the device into sleep mode. However, in some custom ArkOS builds, you might need to press Fn + Power.

Q4: Why do my hotkeys work in Game Boy games but not PSP games?
Quick Answer: PSP uses a standalone emulator (PPSSPP).

PSP games on the R36S Retro Handheld use the PPSSPP emulator, which is standalone and does not use the RetroArch hotkey system. You must configure controls within the PPSSPP menu separately.

Q5: How do I take a screenshot on my R36S?
Quick Answer: Fn + Power (Tap).

The standard shortcut is Fn + Power (tap briefly) or sometimes Fn + T depending on the mapping. The image saves to the Screenshots folder on your SD card. 📸


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8. Further Reading & Resources

To ensure the accuracy of this guide, we have referenced specific technical documentation and expert reviews. Below are the direct sources used to verify the R36S Hotkeys and ArkOS functionality mentioned above.

1. ArkOS Global Event Keys Documentation

  • Reference Context: This source verifies the core hotkey mapping used in our "Cheat Sheet" section, specifically confirming that Select + Start is the default termination command.
  • Source: GitHub - Christian Haitian (ArkOS Developer)
  • Direct Link: Global Event Keys and Emulator Event Keys

2. RetroArch Input & Hotkey Mechanics

  • Reference Context: Used in section 2 to explain the technical logic of the "Hotkey Enable" modifier.
  • Source: Libretro Docs (Official RetroArch Documentation)
  • Direct Link: Input and Controls - Hotkey Enable

3. R36S Specific Button Layout & Configuration

  • Reference Context: Cited regarding the confusion between the 'F' button and 'Select' button on different R36S clones.
  • Source: Retro Handhelds - Nick
  • Direct Link: R36S Setup Guide and Tutorial

4. Standalone Emulator (PPSSPP) Menu Access

  • Reference Context: Sourced for section 4, explaining why RetroArch hotkeys do not work on PSP games.
  • Source: PPSSPP Official Guide
  • Direct Link: PPSSPP Control settings
Liam Parker

Liam Parker

Liam Parker is a passionate retro gaming specialist dedicated to bringing the best classic gaming experiences to Australian players. With a decade of hands-on experience reviewing retro consoles and handhelds, he is a trusted contributor at 2Bluebox.

  • Retro Gaming Specialist: 10+ years testing classic consoles

  • Trusted Console Reviewer: Focused on Aussie gamers

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