Some websites offer a pre-packaged APK that includes both the emulator and the game. Unknown modifications, possible adware.
If you prefer a safer, officially supported experience, you can find similar titles on the Google Play Store: Bruce Lee the Dragon Warrior game for iOS - Digital Legends Download Game Bruce Lee Dragon Warrior Cho Android
Use a file manager app (like ZArchiver) to extract the OBB file (often a .rar or .zip file). Some websites offer a pre-packaged APK that includes
Before installing, go to your Android Settings > Security and enable "Install from Unknown Sources". officially supported experience