One of the world’s smallest emulator fingerhelds.
Too small? Clearly you don’t own a monocle. 🧐
52 × 23 mm
Controls
Start+Select=MENU
Specs
SCREEN0.85″ · 128 × 128
CONTROLSD-pad · A · BStart · Select
PROCESSORESP32-S3Dual core · 240 MHz
AUDIOSpeaker
PORTUSB-CPendrive mode and charging
WIRELESSWi-Fi 2.4 GHzBluetooth LE
STORAGEmicroSDUp to 32 GB · FAT32
UPDATESOver the internetOTA · via Wi-Fi
BATTERY180 mAh2 × 90 mAh · Up to 2 h, varies by emulator
Screen Share
Your game jumps to any browser: TV, PC, tablet or phone.
01 · ON KEYGEARStart+SelectScreen Share
02 · ON THE WEBOpen mykeygear.com
03 · BACKStart+SelectContinue on KeyGear
How to link KeyGear with a browser
Only once: KeyGear and the browser remember each other.
-
01 · ON KEYGEAR
Open KeyGear Screen Share
The first time, the wizard opens by itself. Later: Start + Select → Wizard.
ANext
-
02 · WI-FI
Pick your network
The three strongest ones are listed.
↑↓ChooseAOK
-
03 · PASSWORD
Type the Wi-Fi password
Turn the wheel to pick each letter.
↑↓LetterANextStartDone
-
04 · ON THE WEB
Open mykeygear.com
On a TV, PC, tablet or phone. It shows a 6-digit code.
-
05 · ON KEYGEAR
Enter the code
The one on the browser screen.
↑↓Digit←→MoveASend
-
06 · DONE
Linked
With mykeygear.com open, Start + Select → Screen Share in any game sends it there.
EXTRA
Less input lag: pair Bluetooth too
Then its buttons reach the TV, PC or phone straight away, without going through the internet.
-
01 · ON KEYGEAR
Bluetooth Pad
The last window of the wizard. Later: Start + Select → Bluetooth → Pair new.
- 02 · ON YOUR DEVICE Pair “KeyGear Pad” In the Bluetooth settings of the TV, PC, tablet or phone.
-
03 · ON KEYGEAR
Choose the device
TV, PC, phone… so you can tell them apart later.
↑↓ChooseAOK
-
04 · DONE
Paired
Its buttons now reach that device over Bluetooth.
AFinish
Emulated consoles
Multiplayer
Two KeyGears, two ways to play.
01 · BETWEEN TWO KEYGEARS
KeyGear vs KeyGear
One USB-C cable. Each player on their own KeyGear.
01Same game on both
02USB-C to USB-C
03Sync Game — automatic
WORKS WITH
NESSMSMDGBGBCGGLYNXNGP
02 · ON A BIG SCREEN
With Screen Share
Both players on one screen: TV, computer, tablet or phone.
OPTION 1 · ONE BLUETOOTH + USB-C CABLE
OPTION 2 · TWO BLUETOOTH
2 PLAYERS
One screen
NESSMSCOLMDPCELINK CABLE
Split screen
GBGBCGGLYNXNGPNO SECOND KEYGEAR? PLAYER 2 ON A GAMEPAD OR KEYBOARD
GAMEPAD
USB or Bluetooth
OR
RSEL
SELECT
YSTA
START
T↑
F←G↓H→
D-PAD
KALB
A · B
Build your game
SDK
Your own native KeyGear game, built with the KeyGear SDK and your AI.
WASDD-pad OA PB QSelect EStart
2D OR 3D
SUPERTUX · ART CC BY-SA 4.0
2D
- Pixel-art sprites, maps and parallax skies
- Up to 65,536 colors on screen
- Zoomed-out view with SELECT
WHEELWING
3D
- Flat-shaded triangles with light and depth
- About 700 triangles at 60 fps
- Mixed with 2D: sky, HUD and menus
THE SDK AT A GLANCE
SCREEN128 × 12865,536 colors
3D~700 trianglesLit, at 60 fps
SPEED60 fpsUp to 4 ms of your code per frame
SOUND16 voicesSynth music + WAV effects
MEMORY256 KB RAMFor each game
ROM4 MBOne .kg file
SAVES4 slotsFor your saved games
2 PLAYERSMultiplayerTwo KeyGears
CODECWebAssembly, precompiled on KeyGear
About
WEB dev · FIRMWARE TBD
MADE BY
MrFlower
Electronic product designer for many years, from consumer devices to a military flight simulator. Creator of the MrCART and MrCART 128 multicarts for the Nintendo Virtual Boy. RC plane enthusiast.
BUILT WITH
Retro-GoNofrendoGnuboySMS PlusGwenesisPCE-GoHandy-GoRACE-GOPrBoomEmulatorJS
Based on these projects, with tons of performance and game compatibility improvements.
SPECIAL THANKS
Maria
My partner, for all the support.
LICENSES · CONTACT
TBD
Open Source
Read the code. Build it. Make it better.
REPOSITORIES
FIRMWAREKeyGearLINK TBD→
WEBmykeygear.comLINK TBD→
Donate
KeyGear is free and open source. Like it? Support it.
Support KeyGearMore consoles. More games. More fixes.
DONATE →
PLATFORM
TBD