Earlier this week, social game company Booyah (whom we've spoken with before) released its latest game for iOS, called Nightclub City: DJ Rivals. Booyah first found huge success with an iOS social game called MyTown, and then went over to Facebook to create Nightclub City, a social app about sharing music among friends. Now the company is back on iOS with DJ Rivals, and early indications are that it's going to be popular: it's already
