It wasn't supposed to exist. Citra was an emulator for a bygone era of dual-screen gaming, and the Mii Maker was a simple utility—a digital toy for crafting avatars. But Elias had found this specific "Portable" build on an obscure archive site, buried under layers of broken links and "File Not Found" errors.

If you clarify your goal (e.g., editing, extracting, troubleshooting, modding), I can give a more precise answer.