Genki Manta Puts a Screen and OS Inside a Switch 2 Controller
At $279, the Genki Manta is the most aggressively over-specified controller I’ve ever seen — and that’s before you get to the screen bolted between its thumbsticks. It runs a full operating system, can turn into a gyro mouse, and packs TMR sticks, Hall effect triggers, and a user-replaceable battery. It’s ridiculous. I want one.
For handheld players, the Manta isn’t just a Switch 2 accessory — it’s a glimpse of where portable controls are heading, leagues beyond budget handheld-PC controllers like the 8BitDo Ultimate 2C. By moving configuration on-device and adding mouse-mode input, Genki is attacking two of the fiddliest parts of handheld PC life: companion apps and Windows desktop navigation. It might be overkill, but it’s overkill aimed squarely at the problems we actually have.
MantaOS Kills the Companion App, and That’s a Handheld Win
The old way of remapping a controller means opening SteamOS or a vendor app, hunting for a driver, and hoping the setting syncs. MantaOS puts all of that on the 2.79-inch display: profiles, macros, trigger modes, RGB — everything lives in the controller itself. For someone bouncing between a Switch 2, a Steam Deck dock, and a Windows handheld, that’s one less config app to chase between devices.
Genki’s macro timeline also goes beyond button sequences. It records analog stick paths and trigger pressure, so you can replay a full boss-runback sequence — or a fighting game combo — exactly as you input it. That’s the kind of feature you’d normally need PC software to capture, and having it on-device means a handheld session isn’t broken by a trip to a desktop menu.
A Mouse in Your Palm: The Windows Handheld Fix
The On-the-Fly KBM mode is the sleeper feature here. Press a button next to the right stick and the screen becomes a QWERTY keyboard; hold it and the entire controller becomes a gyro mouse for navigating Windows. This is enormous for ROG Ally and Legion Go owners, who currently have to touch-screen their way through login screens and launcher prompts. SteamOS solved that friction years ago; the Manta brings the same trick to devices that don’t run it, in a market suddenly full of MagSafe controllers taking aim at the same crowd.
Genki hasn’t disclosed battery life for the 2,400mAh pack, which is a red flag at this price — a screen and haptics will drain cells fast. But the removable battery and wired mode soften the blow. At 315g, it’s heavy for a controller, but that weight makes sense once you’ve got a screen and an RP2350 running MantaOS inside. If you want to track it for retail, here’s a Genki Manta controller on Amazon search to bookmark.