Use a tool like AltStore to install the .ipa file if you find an iOS-specific build.

Below is the only verified method as of 2025 using (a PC emulator for iOS) plus the Portable MUGEN version.

The "340 characters" version is a specific, pre-built compilation of the M.U.G.E.N engine. Instead of users manually adding characters, this "Full Mugen" package comes with a massive, ready-to-play roster of fighters from series like Dragon Ball

M.U.G.E.N, a Japanese word meaning "infinite," is a freeware 2D fighting game engine that allows users to create custom characters and stages. The "340 Characters" version is a specific compilation featuring iconic figures from various franchises, including Dragon Ball