The project by user seedds rewrites game code for the ARM architecture, replaces system components, and converts graphics to work with Metal.
On iPhone, a 15 Pro model or newer with an A17 Pro chip and iOS 26 will be required. For iPad, an M1 processor or newer and iPadOS 26 are needed. You can prepare the app on a Mac via Xcode and install it bypassing the App Store using AltStore or Sideloadly.
According to the documentation, over 70 games have been tested, including Mario Kart 8 Deluxe, Super Mario Odyssey, and The Legend of Zelda: Breath of the Wild. After the necessary updates, some of them run at 60 frames per second— twice as fast as on the Switch. Online features and amiibo support are not available.
Users will have to dump game files and prod.keys from their console themselves. The project does not distribute copies of games and is not affiliated with Nintendo, although its future is uncertain: the company has previously shut down similar tools, including Ryujinx.