Produce 101 Ideal Type World Cup is a lifestyle-based free Android app developed by Kerori. The app allows users to choose their favorite idol from 101 contestants, and participate in a tournament-style competition. Users can vote for their ideal type from 64 contestants in the final round. The app also features daily, weekly, monthly, and yearly rankings.

In addition to voting, users can also share photos and comments with their friends. The app is compatible with AndroidIf you have any questions or concerns, you can contact the developer via email.

Overall, Produce 101 Ideal Type World Cup is a fun and engaging app for fans of the popular Korean reality show. It offers a unique way to interact with the contestants and see how they rank against each other. However, the app is only available in Korean, which may limit its appeal to non-Korean speakers.