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Miyoo Custom Firmware

The definitive custom firmware for BittBoy, PocketGo, PowKiddy V90-Q90-Q20 (and 3rd party consoles) allows you unlock the potential of the hardware and use software from a wide variety of consoles and computers thanks to the availability of numerous emulators and native ports of several games!


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This project is not affiliated or related with any company or manufacturer. We do not pay or get paid for this work.


  • Check main guides for setup in our wiki here
  • Give us your feedback or comments on the discussion forums here
  • Check the version details history in our changelog here
  • Join our Discord chat server for more support here
  • For development chat join our Matrix server here



Homebrews & Ports

The next list is the latest homebrews games and ports available (click the user name for more info).

Download Dev / Port by
Just4Qix szymor
REminiscence jamesofarrell
Xrick jamesofarrell
Evil Australians gameblabla
Yatka szymor
Hocoslamfy Apaczer
Circuit Dude crait
Midnight Wild crait
Hydra Castle Labyrinth szymor
Homing Fever szymor
l'Abbaye des Morts szymor
Shifty Pills szymor
Shisen-Seki (四川石) szymor
Super Methane Brothers szymor
H.E.R.O.E.S szymor
Wizznic szymor
Super Transball 2 szymor
Hermes szymor
Worship Vector szymor
Spout szymor
Profanation Deluxe salvacam
Manic Miner salvacam
Sqrxz szymor
Sqrxz 2 szymor
Sqrxz 3 szymor
Sqrxz 4 szymor
Zelda Picross salvacam
FleshChasmer szymor
Paranoia szymor
Apricots salvacam
Arkanoid salvacam
Rockbot salvacam
MineSweeper szymor
BlockOut 2 salvacam
Sonic Robo Blast 2 salvacam
Haunted szymor
Spartak Chess szymor
OpenJazz (aka Jazz Jackrabbit) Apaczer
Tile World salvacam
Xump szymor
Sokoban szymor
2048 szymor
Slitherlink szymor
SuperTux andrigamerita
Treasure Chasers crait
Super Mario War (April Fools Edition) andrigamerita
Meritous andrigamerita
Zelda Return of the Hylian andrigamerita
Falling Time szymor
VWordle szymor
Anarch szymor
Heart of the Alien MiyanoOsu
Duke Nukem 3D Apaczer
Final Snake szymor
quartermaster hi-ban
Biniax2 salvacam
Quake gameblabla
Promesst szymor


The next list is for the latest emulators available (click the user name for more info).

Download Dev / Port by
RetroArch RetroArch
Gambatte-DMS hi-ban
BittBoy MSX pthalin
PocketSNES m45t3r
DrPocketSNES bitrider
snes9x4d m45t3r
BittBoy J2ME (Experimental) pthalin
Fuse, ZX Spectrum salvacam
Speccy, ZX Spectrum salvacam
Amstrad CPC, Dingux-Cap32 salvacam
SZ81, ZX80 and ZX81 salvacam
ScummVM scummvm
Dingux-Atari, Atari 800 and Atari 5200 salvacam
SamCoupe Home Computer salvacam
Vectrex salvacam
Atari 7800 salvacam
Dcastway, Atari ST salvacam
Wiz-colem, Colecovision salvacam
Atari 5200 salvacam
Beebem, BBC Micro Model B salvacam
GP2X-Dragon, Dragon32/64 and Tandy Coco salvacam
Jzint, Intellivision salvacam
Watara Supervision salvacam
Thomson TO7-70 salvacam
Thomson MO5 salvacam
CHIP8 salvacam
Texas instruments TI92 salvacam
Texas instruments TI99 salvacam
Arnold Amstrad GX4000 salvacam
O2EM Libretro salvacam
VMU Dingoo salvacam
gpSP, Game Boy Advance Apaczer
FBA-A320 Rezzy
PokeMini gameblabla
GnGeo, Neo Geo steward-fu
Game & Watch salvacam
Pico 8 jtothebell
UAE4ALL, Amiga 500 Apaczer
race, Neo Geo Pocket eggs
PicoDrive, Sega MS/GG/MD/MD-CD/32X irixxxx
Gnash, Flash player Apaczer

Skins & Frontends

The next list is the current skins, themes and frontends available (click the user name for more info).

Download Dev / Port by
Simple Menu fgl82
Coverflow peterthrees
SimUI dkodr
TheWebWolfe Themes thewebwolfe

Tools & Demos

The next list is the current tools available (click the user name for more info).

Download Dev / Port by
Commander Apaczer
Simple Terminal Apaczer
Calculator for BittBoy szymor
I/O Tester Apaczer
PV2X Image Viewer szymor
Wormhole Demo szymor
Lorenz Attractor Demo szymor
S.k.y. Demo szymor
Pixel Reader Apaczer


Below is the list of practical debugging programs (click the user name for more info).

Download Dev / Port by
QEMU steward-fu
GDB gameblabla

Free Roms

Below is the list of some free homebrew (legal) roms and demos websites (click the name for more info).

Console Website
GB / GBC GameBoy Demospotting
SNES Snes Central
NES NesDev
ALL RomHacking
ALL Pouet

Other Resources

Here you have a list some of some *old betas or custom files, to access them go to Beta Testing folder here. This section is for advanced users, no guides are provided for this (please read the .txt files before using them).

File Notes
GMenu2x AutoStart Loads the last game/app/rom you were playing at startup
Screen Tearing Improved screen driver for Pocket Go and BittBoy
FCEUX Rumble Modified NES emulator FCEUX with rumble support
FCEUX Improved Modified NES emulator FCEUX with improved performance
FS Corruption Daemon Daemon file to fix file system corruptions
NSF Player Simple NES emulator FCEUX shortcut to play NSF sound files
Switch PWM Scripts Scripts to improve the background sound noise
Mame4All Improved Untested Mame32 emulator with improved performance
PCSX Rearmed CFG Custom PCSX-Rearmed Config Library
PocketSNES Improved Modified SNES emulator with improved performance
Fake 08 Alternative Pico 8 emulator under development

Note: If you are looking for other stuff or old resources (stock firmware, drivers, schematics, etc...) you can take a look here.

Console Revisions Differences

The next list is for some differences between Miyoo & Powkiddy devices:

Note: Some people have been receiving consoles with parts of different versions, if any CFW does not work let us know in our Discord indicated above.

Rev Release Notes
PowKiddy Q20 July 13, 2021 Mini landscape form factor with extra "Rfunction" button (and "Lfunction" for RESET)
PowKiddy V90 June 17, 2020 New GBA SP form factor with extra L2 and R2 buttons
PowKiddy Q90 Dec 18, 2019 New landscape form factor with analog stick & additional "+" button (and "-" for RESET)
Pocket Go 1 May 14, 2019 Changed circuit board (see here)
Pocket Go 0.5 May 10, 2019 Added shoulder buttons (L & R)
Pocket Go 0.5 May 10, 2019 Added physical volume control
Pocket Go 0.5 May 10, 2019 New landscape form factor
BittBoy 3.5 May 14, 2019 Changed circuit board (see here)
BittBoy 3.5 May 14, 2019 Barcode changed to 20190424 005 (newers no longer include it)
BittBoy 3.5 May 14, 2019 Glass screen is thinner
BittBoy 3 April 23, 2019 New non-registered key combos detected
BittBoy 3 April 23, 2019 Fixed Ghost Key issues
BittBoy 3 April 23, 2019 Added tempered glass screen
BittBoy 3 April 23, 2019 Added rumble/vibration features
BittBoy 3 April 23, 2019 Micro USB port is flush with the shell
BittBoy 3 April 23, 2019 Bigger lightning symbol on battery LED
BittBoy 3 April 23, 2019 Changed screen (Still IPS but different model)
BittBoy 3 April 23, 2019 Barcode (20190410 004) added at the rear top of the console
BittBoy 3 April 23, 2019 Processor changed to Allwinner F1C100s (Not F1C500s anymore)
BittBoy 3 April 23, 2019 Box design changed (see here)
BittBoy 3 April 23, 2019 Changed color shell (Slightly darker than the rev1)
BittBoy 2.5 March 05, 2019 Removed internal chip storage, no stock firmware
BittBoy 2.5 March 05, 2019 Only runs CFW from SD Card
BittBoy 2.5 March 05, 2019 Changed color shell to gray
BittBoy 2 Jan 10, 2019 Three display options (I: Normal, II: Pixel Perfect, III: Full)
BittBoy 2 Jan 10, 2019 Changed screen (Still IPS, removed 2nd display)
BittBoy 2 Jan 10, 2019 Clicky Start and Select buttons
BittBoy 2 Jan 10, 2019 4bit hardware
BittBoy 2 Jan 10, 2019 Changed the button scan code sequence
BittBoy 2 Jan 10, 2019 Can run Stock Firmware and Custom Firmware
BittBoy 1 Nov 30, 2018 Two display options (I: Normal, II: Full)
BittBoy 1 Nov 30, 2018 Soft Start and Select click buttons
BittBoy 1 Nov 30, 2018 Internal 2nd display (Not used)
BittBoy 1 Nov 30, 2018 1bit hardware
BittBoy 1 Nov 30, 2018 CFW requires hardware modifications


Active contributors:

@tiopex @Apaczer @nfriedly @TriForceX

Special Thanks

The next people is contributing to all development of Miyoo CFW and its related stuff:

Main Developers Support & Testing Theme Developers Misc Support
steward Augen(히힛마스터) 2TMAU5 pingflood
sauce TakoSalad da1writer Tony Jih
TriForce Mystic_Morgan Fontes Vincent
H1BAN MrRobotSK mrwasterbr Dmm1138
superpuissant WenTao Segich Alexai-MikeX
scooterpsu dElAvA SimplEasy Merisy
CountDuckula Jutleys Harsh B. (bhardwaj) Nikolay Minaylov
vamastah ToTo s4ilence MiyanoOsu
Christian_Haitian Turtle dkodr
BytePorter James Dull thewebwolfe
JamesOFarrell HYJiNX187
dee a64
crait Rich
koroneo CanMurray
Roast风格 natopwns
SantX27 zargonbr
fgl82 cricri-pingouin


Theres many ways to contribute to this project, even if you don't know how to code. All kind of support or testing will be grateful. If you have plans to contribute in code, please fork the desired module from here, create a branch with your changes and send us a pull request to upstream. For more info you can join our Discord chat here


OpenDingux for Miyoo was initially ported for BittBoy console by steward-fu and GMenu2X is a fork of GMenuNX by pingflood. All other sub-modules or components that have been integrated from other forks have their credits in their respective repositories. This project is licensed under GPLv2 as free software. You are free to use, modify and redistribute them following the terms in License.txt