It is a specialized homebrew application designed to fix common graphical glitches that occur when running certain 3DS titles on an emulator without a full system dump. Its most common uses include: Restoring Mii Faces Tomodachi Life
directly in this thread. Do not repost the exclusive binary off-platform – we want to keep support centralized.
Disclaimer: Modifying your Nintendo 3DS carries inherent risks. Always ensure you are using the latest versions of custom firmware, such as Luma3DS, and understand the risks associated with running custom code. To help you better, I need to know: