Emulators

Emulation within RetroidOS

RetroidOS supports the following systems, with the listed emulator cores:

System	Emulator core
Arcade	Final Burn Alpha (2.97.08, 2.97.42, 42_ORI, 42_HOME) MAME (0.37, 0.78, 0.106, 0.139, 139_RA)
NES/Famicom	FCEmu
Master System	Genesis Plus
Gameboy/Gameboy Color	TGB Dual
PC Engine	Beetle PCE
Wonderswan/Wonderswan Color	Beetle Cygne
Mega Drive/Genesis/CD/32X	Genesis Plus
SNES/Super Famicom	SNES9X
Gameboy Advance	mGBA
PlayStation 1	PCSX (labelled as PSCX)
Nintendo 64	Mupen64 Plus
PlayStation Portable	PPSSPP
Dreamcast	Reicast

There are no changeable settings for emulators within Retroid OS, and currently there is no way to add new emulation cores.

Emulation within Android

This section contains free RetroArch and stand alone emulator options. The one paid app that many recommended is DraStic for Nintendo DS emulation.

It is generally not recommended to update the pre-installed emulators, as the Retroid developers seem to have chosen these builds because they run well on the device.

RetroArch Cores

The Retroid Pocket 2 comes pre-installed with two versions of RetroArch (1.8.4 & 1.5.0) and the listed emulator cores:

RetroArch 1.5.0

• Game Boy Advance (gpSP) This is installed separately because RA 1.5.0 has the best performance for gpSP/GBA

RetroArch 1.8.4

• Arcade (FB Alpha 2012 CPS-1)
• Arcade (FB Alpha 2012 CPS-2)
• Arcade (FB Alpha 2012 Neo Geo)
• Arcade (MAME 2000)
• Arcade (MAME 2003)
• Arcade (MAME 2010)
• Arcade (MAME 2015)
• Atari - 2600 (Stella)
• Atari - 5200 (Atari800)
• Atari - Lynx (Handy)
• Bandai - WonderSwan/Color (Beetle Cygne)
• Commodore - Amiga (P-UAE)
• Commodore - C64 (VICE x64, fast)
• DOS (DOSBox - SVN)
• GCE - Vectrex (vecx)
• Microsoft - MSX (fMSX)
• Minecraft - (Craft)
• MSX/SVI/ColecoVision/SG-1000 (blueMSX)
• NEC - PC Engine / CD (Beetle PCE FAST)
• Nintendo - Gameboy / Color (Gambette)
• Nintendo - NES / Famicom (FCEUmm)
• Nintendo - SNES / SFC (Snes9x 2002)
• Quake (TyrQuake)
• Sega - Dreamcast/Naomi (Flycast)
• Sega - MS/GG/MD/CD (Genesis Plus GX)
• Sega - MS/GG/SG-1000 (Gearsystem)
• Sega - MS/MD/CD/32X (PicoDrive)
• SNK - Neo Geo CD (NeoCD)
• SNK - Neo Geo Pocket / Color (RACE)
• Sony - PlayStation (PCSX ReARMed)
• The 3DO Company - 3DO (4DO)
• ZX Spectrum (Fuse)

Stand Alone Apps

The RP2 Comes pre-installed with the following stand alone apps:

• Flycast - You will need to configure Reicast and configure the Bios. See DC Configuration Tips at the bottom of this page.

• MAME4droid(0.139u1) - You will need a .139 MAME Romset.

• Mupen64Plus FZ - Use recommended rendering profile per game for optimal performance. Here is Mupen's settings & render profiles if you lose them, copy to internal storage.

• N64oid - Right joystick will not map.

• NeoDroid - NeoGeo MVS Emulator - Compatible with MAME Roms. Put neogeo.zip bios file in your roms directory “/sdcard/neodroid/roms”.

• PPSSPP - Use the recommended profile settings per game for optimal performance.

• Reicast - The back end for Flycast.

• ScummVM - Shows no directories on launch. Fix is to search for a game and place a “/“ in the search box and select “Choose”. This will bring up the directory listing.

Best Performing Emulators

This table of stand alone apps & RetroArch cores seem to get the best performance out of the device. We have prioritized cores over apps whenever possible, and only if performance is equivalent or better. We have also prioritized free apps over paid apps whenever possible, and again, only if performance is equivalent or better.

System	Emulator Options	Notes
MAME Arcade	MAME4droid 0.139u1	App. Pre-installed. Needs the .139 MAME Romset.
DOS	DOSBox	Core. Pre-installed.
Atari 2600	Stella	Core. Pre-installed.
FC/NES	FCEUmm	Core. Pre-installed. Has netplay for multiplayer.
Sega Master System	Genesis Plus GX	Core. Pre-installed.
Atari Lynx	Handy	Core. Pre-installed.
MegaDrive/Sega Genesis	Genesis Plus GX	Core. Pre-installed.
PCE/TurboGrafx 16	Beetle PCE FAST	Core. Pre-installed.
PCE-CD/TurboGrafx CD	Beetle PCE FAST	Core. BIOS Files Needed
NeoGeo	NeoDroid	App. Pre-installed.
Sega Game Gear	Genesis Plus GX	Core. Pre-installed.
SFC/SNES	Snes9x 2002	Core. Pre-installed. Has netplay for multiplayer.
Sega CD	Genesis Plus GX	Core. Pre-installed.
Panasonic 3DO	Real3DOPlayer	App. BIOS Files Needed
Nintendo Virtual Boy	Beetle VB	Core.
Sony PlayStation	PCSX-R	Core. Pre-installed.
Nintendo 64	Mupen64Plus FZ	App. Pre-installed. *The most recent PlayStore version will not work. This is the latest working version.
Nintendo Game Boy Color	Gambette / My Old Boy!	Core. Pre-installed. Paid App. My Old Boy! has Link cable emulation for local and remote multiplayer.
NeoGeo Pocket Color	RACE	Core. Pre-installed.
Sega Dreamcast	Flycast	App. Core. Pre-installed. See DC Config Tips below. Docs. RA 1.9.0 has been tested to achieve better Flycast performance than RA 1.8.4.
Nintendo Game Boy Advance	gpSP / MyBoy!	Core. Pre-installed. Paid App. MyBoy! has Link cable emulation for local and remote multiplayer.
Nintendo DS	DraStic	Paid App. To set controller mappings, go to Settings -> External Controller and choose Select Key Mapping, then choose PlayStation 3. Use home button to enter mouse mode when needed. You can set right stick as stylus.
Sony PSP	PPSSPP	App. Pre-installed. Struggles with more demanding 3D games such as God of War.
SCUMMVM	SCUMMVM	App. Pre-installed. Has a known bug that shows no directories on launch. Fix is to search for a game and place a “/“ in the search box and select “Choose”. This will bring up the directory listing

Dreamcast Configuration Tips

Configuration for the pre-installed Flycast Stand Alone app is done through the pre-installed Reicast app. Flycast will have better performance than Reicast.

Open Reicast and click on the DC bios and format memory card 1. For controller settings, set the ports of all to none, and the port for Android Playstation to A. Click Map, and map the buttons to their appropriate locations - you may not need to map all buttons. Click Done, then Done again. You may now close Reicast.

Launch Flycast, which shares a config with Reicast, and load and play your game.

If there are issues with the controller, you may need to modify the .cfg file in Flycast. To do this, go into the directory path for Flycast and find the folder named mappings. Inside, there should be a file named Android_Playstation3.cfg. Open the file, scroll to the bottom, and erase the line for deadzone value. This should not be needed if Reicast 20.02b or newer is installed, or if you have used the .cfg file.

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Credits to beldandy561, Captain_Shoe, TortugaSs, Ryan86Me, StubbornPixel, CommieColin, Pocchitte