Enter the modders. The keyword contains a crucial word: Mugen . To the uninitiated, Mugen is a freeware 2D/2.5D fighting game engine developed by Elecbyte. It is not a game; it is a platform that allows users to create their own fighting games using custom characters, stages, and mechanics.
Porting UNS4 to Android is a technical nightmare. The game requires roughly 40GB of storage on PC. High-end Android phones have powerful chips (Snapdragon 8 Gen 2/3), but storage compression and optimization for thousands of device models make an official port unlikely. Enter the modders
Until Bandai Namco finally decides to port the real engine to Android (perhaps via the Unreal Engine 5 mobile branch), the Mugen variant remains the only way to play a "Storm-like" game with a massive roster on your commute to work. It is not a game; it is a