I have included a crucial "reality check" section in this draft because many fans search for this without realizing it doesn't officially exist. You can choose to keep that section for transparency or remove it if you just want to hype the fan-made version.
The MUGEN engine allows developers to pack hundreds of fighters into a single APK. You can expect to find: How to Switch Characters in Naruto Ninja Storm 4 naruto shippuden ultimate ninja storm 4 mugen apk upd