Batman Begins (GBA)
Works only on Chrome and Firefox. You Must Click the Play button within Player to Start the Game. It might take a couple of minutes to load a large game to make the Play Button work. Usual Control Keys for Such Games are Z, X, C, Enter Key, Arrow Keys.
Batman Begins (GBA)
When the game loads, press Z to select the language, and keep press Z to read the next instruction and start the game. Press Down Arrow + Left/Right Arrow to roll, attack with X key and Jump with Z key.
Related; Batman Returns | Batman | Batman Forever