: Uses leaderboard psychology to keep users coming back. Growth : Integrates social sharing to attract new users. 2. Core Components

: Digital trophies displayed on a user's Karina Play Profile. 3. Development Steps

If your query refers to the Play Illusion campaign featuring Karina from aespa, a relevant "feature" development would focus on AR (Augmented Reality) Filters . Feature : "The Illusion Lens"