Xapfish is a fork of the Wii U emulator Cemu. It adds support for mouse input and translates mouse movements into gryo acceleration. This allows users to control the Wii U's motion sensors using a mouse, perfect for games like Splatoon.

The name is inspired by (but distinct from) the Zapfish in Splatoon. It also contains "Xap" which is meant to be a subtle nod to Windows Phone's XAP packaging system. There's no real connection to Windows Phone in this project, I just miss it dearly.