Crazy Cop is an arcade game that, based on its title, most likely involves a police officer in a fast-paced, action-oriented game. Given the "(Japan)" indication, it's probable the game has a Japanese setting and cultural aspects.  Without specific details about the developer or gameplay mechanics,  it is hard to provide a complete overview.  The gameplay could range from simple beat 'em up to a more complex action title.

Crazy Cop (Japan)

Crazy Climber (US)