Business Wire Wrote:EMERYVILLE, Calif.--(BUSINESS WIRE)--Nexon, in collaboration with Respawn Entertainment and Particle City, has revealed Titanfall®: Frontline, the debut standalone mobile game set in the extended universe of the best-selling franchise, Titanfall. Titanfall: Frontline is a strategy card game where players, assuming the role of brigade Commanders, will face off in head-to-head combat with other players in real-time. Players will unleash strategic combinations of powerful Pilots, Titans and tactic