Never download an app called "TekkenTagTournament.apk". These are almost always malware or adware. Only download official emulators from the Play Store.
Instead of manually grinding through Arcade Mode dozens of times to unlock hidden fighters like Unknown, Tiger Jackson , and Devil, you can inject a completed save file.
If the audio crackles or the frame rate drops, adjust your emulator settings: Lower the to 1x Native. Enable Hardware Download Mode (set to Accurate or Disable). Switch the graphics rendering API from OpenGL to Vulkan . Characters are Still Locked