It is crucial to note that owns the rights to The King of Fighters '97 . The MUGEN engine is legal, but distributing the copyrighted KOF characters is a grey area (fan-abandonware).
Running MUGEN on Android requires an emulation layer or a pre-compiled APK wrapper to translate Windows code for mobile hardware. Method 1: Using a Pre-Compiled APK Wrapper (Easiest) KOF -97 MUGEN Update Download For Android PC