Onion OS v4.3.1-1 is an enhanced operating system designed for the Miyoo Mini, offering an exceptional emulation experience. It includes over 100 built-in emulators, auto-save and resume features, and a wealth of customization options, ensuring high-performance, reliable, and straightforward retro gaming right in your pocket. This version is based on Onion 4.3.1-1, providing a turnkey solution with no need for installation or configuration worries.

ROM Collection

• Personalized ROM Set: 50 pre-configured systems featuring classic, popular, hidden gems, and modern games.
• Stock Miyoo ROM Set: Optimized version with duplicates removed.
• Special Additions:
  •  All Onion Ports configured.
  •  Exclusive Ninja Turtles Pack based on the “TMNT Cowabunga Collection” for smooth gameplay.
  •  Excellent ROM hacks.
  • Exclusive ROM set for Final Burn Neo.
  • New Daphne laserdisc game collection optimized for Miyoo Mini Plus (e.g., Dragon’s Lair).

How the ROM Set is Made: The best ROMs from five renowned sets are selected, categorized, merged, and scraped. Additional games from the Miyoo ROM set supplement this collection, with duplicates removed.

ROM Browsing Structure:

• Main Root List: Features top games for each platform.
• Special Subfolders:
  • “Miyoo Collection”: Extra games from the original SD card.
  • “Hacks”: Excellent ROM hacks.
  • “Translations”: Notable translated ROMs (usually from Japanese to English).
  • “Modern”: Recent homebrew and new games for the platform (e.g., GBA music sequencer Stepper).

Emulators

Based on Onion RC 4.3.0 with enhancements:

• Drastic: NDS emulation with game switching.
• GB/GBC and NGP: High-quality Jeltron overlays.
• Expert Emulators:
  •  ScummVM Standalone 2.9.0
  • PCSX Standalone
  • gpSP (often faster than mGBA, good for fast-forwarding GBA games)
  • fbneo with dedicated ROM selection and overclock for good frame rates
• New Cores: Duckstation for advanced users.

Applications

• Default Installations:

  • Moonlight: Stream PC games to Miyoo Mini (tutorial included).
  • Video Player, PDF and EPUB Readers.
  • Random Game Picker, Search.
  • Video Recorder “screencap” (record or stream to Twitch at 15 FPS).

• New Tweaks App Features:

  • Screen recording integration.
  • Multi-disc playlist (.m3u) generator (for PS1 playlists).
  • App list sorting tool (A-Z).
  • Blue light filter (eye protection).
  • PWM control (reduces humming noise).
  • Added VNC feature (control Miyoo Mini Plus from a computer).
  • Mute BGM feature (mute background music).

Ports

Complete port collection updated to Onion Ports 1.0.9.

Themes

A selection of 70+ high-quality themes, decompressed for faster Theme Switcher app loading.

BIOS

All necessary BIOS files are pre-installed to support Onion emulators.