A platform apparatus that processes the execution results of one or more serious games, the platform apparatus comprising a data processing unit that receives output packets produced from each serious game in execution for measuring and developing a user's cognitive abilities and that generates game data from the output packets; an analysis processing unit that generates, based on the game data, analysis data for measuring the user's brain function; and a result display unit that displays the analysis data to the user through an UI (user interface), wherein the one or more serious game includes serious games for memory, for psycho-motor, for attention, for executive function, and for emotion.