Most versions come as a compressed file (ZIP or RAR). Use an app like ZArchiver to extract the files.
Once installed, the game can be played anywhere without an internet connection. anime mugen v3 android 500 characters download updated
Since these games are fan-made, you won't find them on the Google Play Store. Instead, you must download the APK and game data from verified community sources. Most versions come as a compressed file (ZIP or RAR)