The Felix Universe app is the ultimate fan experience for fans of the popular K-pop idol. With the app, fans can chat with Felix, one of the group's talented members, and get access to exclusive wallpapers and profile pictures featuring the group. In addition, the app also features a collection of funny videos, providing a behind-the-scenes look at the group's antics and shenanigans. Whether you're a die-hard fan or just discovering Stray Kids for the first time, this app is a must-have for anyone who loves K-pop and wants to stay up-to-date on all the latest news and content from the group.