프로 장기 is a free online board game available on Android that allows players to enjoy traditional Korean chess anytime and anywhere. The game emphasizes competitive play, enabling users to increase their rank by winning matches against others. It features automatic matchmaking, ensuring that players are paired with opponents of similar skill levels.

Additional features include a detailed match record that can be reset for free, a ranking system with 18 levels ranging from 9급 to 9단, and the ability to save and review game records. Players can challenge six different levels of AI and enjoy unique game pieces made from gold, gems, and wood. The game also supports two-player matches and includes achievements and leaderboards for a more engaging experience.