OpenAI held an event in Seongdong district, Seoul, on April 29 under the theme of changing work methods with Codex and Musinsa’s AI-native operating system. The company shared real-world Codex deployment cases and how it is used. About 30 attendees joined, including influencers. Musinsa CTO Jun Jun-hee discussed why the company adopted Codex, how it integrated AI across development workflows, changes in speed and productivity, and how coding agents could redefine developers’ roles.

Devsisters will hold the global official tournament for its trading card game \"CookieRun: Braverse Card Game\" on April 11-12 at S-Factory in Seongsu-dong, Seongdong-gu, Seoul. The world championship brings together players who advanced through regional qualifiers. Eighteen players selected from 10 regions including South Korea, the United States, Canada, Taiwan and Southeast Asia will compete. The venue will offer various experience zones and side programs, with free entry without reservations.