Kenji-NX vs Ryubing: Two Ryujinx Forks Compared
Same ancestor, different mission — one was rebuilt for Android phones, the other stayed on desktop. Here is the honest comparison.
Kenji-NX and Ryubing are both forks of Ryujinx, the C# Nintendo Switch emulator whose original development ended in October 2024. Because they share the same ancestor, people often ask which one to use. The answer mostly comes down to one question: are you emulating on a phone or on a PC?
Quick answer: Kenji-NX is the Android-focused fork — it ships dedicated APK builds, tunes mobile GPU drivers, and is actively maintained (2.1.0-pr.2 as of October 2026). Ryubing is the desktop-focused fork (Windows, Linux, macOS) whose development status is disputed: some sources report no new builds since February 2026, while compatibility wikis still list it as active. Read the fine print below before choosing.
Kenji-NX vs Ryubing at a Glance
| Kenji-NX | Ryubing | |
|---|---|---|
| Codebase | Ryujinx fork (C#) | Ryujinx fork (C#) |
| Lead developer | KeatonTheBot (community) | GreemDev (community) |
| Primary platform | Android (dedicated Android-Releases) | Desktop: Windows, Linux, macOS |
| Status (Oct 2026) | Active — 2.1.0-pr.2 | Disputed (see below) |
| Android APK | Yes, purpose-built for ARM64 phones | No Android build |
| Mobile GPU work | Snapdragon 8 Elite tuning, Turnip driver support | Not applicable (desktop GPUs) |
| License | MIT, open source | Open source (Ryujinx lineage) |
Shared Roots: The Ryujinx Story
Ryujinx earned its reputation as the accuracy-first Switch emulator — written in C#, praised for clean graphics output and correct behavior where other emulators used shortcuts. In October 2024, Nintendo contacted lead developer gdkchan and reached a private agreement that ended the project’s development, and the GitHub organization was taken down.
The community refused to let the codebase die. Kenji-NX, led by KeatonTheBot, describes itself not as a Ryujinx “revival” but as a middle ground between GreemDev’s Ryujinx fork and the ryujinx-mirror preservation effort — re-engineered specifically for Android. Ryubing, led by GreemDev, took the same Ryujinx foundation in the opposite direction: keeping it alive as a desktop emulator for Windows, Linux, and macOS.
The Big Difference: Mobile-First vs Desktop-First
This is the entire comparison in one line. Kenji-NX reworks the emulator around phone hardware: ARM64 builds, touch controls, mobile GPU drivers (Turnip for Qualcomm Adreno), memory behavior tuned for Android, and APK distribution. Its 2.1.0 pre-releases concentrated on Snapdragon 8 Elite GPU stability and memory fixes — problems that only exist on phones.
Ryubing, by contrast, is a classic desktop application. If your emulation happens on a Windows, Linux, or Mac computer with a real GPU, a desktop Ryujinx fork is the natural shape for the software — windowed rendering, keyboard and controller input, and none of Android’s constraints.
Neither project is a “better Ryujinx” in absolute terms. They are the same engine adapted to different machines.
Development Status — Read the Fine Print
Why does this matter? An unmaintained emulator does not just miss new features — it misses fixes for new Android versions, new GPU drivers, and newly discovered game bugs. For a phone you carry every day, active maintenance is worth a lot.
Frequently Asked Questions
Is Ryubing dead?
Not confirmed. One tech outlet reports development stopped in February 2026 with no new builds since; compatibility wikis still list it as active. Treat it as “unverified — check the repo” rather than dead or alive.
Can I run Ryubing on Android?
No. Ryubing targets desktop operating systems (Windows, Linux, macOS). For Android you want Kenji-NX or another mobile-focused emulator.
Which fork is closer to the original Ryujinx?
Both descend directly from it. Ryubing keeps the desktop experience closest to the original; Kenji-NX keeps the emulation core but reworks everything around it for mobile.
Do I need keys and firmware for both?
Yes. Every Switch emulator needs prod.keys and system firmware dumped from a Switch you own (typically with Lockpick_RCM on a moddable console). Neither Kenji-NX nor Ryubing includes them, and you should never download them from the internet.
Can I use the same dumped files for both emulators?
Generally yes — prod.keys and firmware dumped from your own console work across Switch emulators. Keep backups of your dumps so you never have to repeat the process.
Emulating on Android? Get the mobile-built fork:
Free and open source. New to the project? Start with what Kenji-NX is.