Batman World is a free Android app developed by CRETLABS that caters to the interests of Batman fans. The app is a one-stop-shop for everything related to the caped crusader, including news, trivia, and merchandise.

The home screen of the app features a sleek and easy-to-navigate design. Users can browse through various categories such as news, comics, movies, and TV shows to stay up-to-date with the latest happenings in the Batman universe. The app also offers a trivia section where fans can test their knowledge of the Dark Knight and a merchandise section where they can purchase official Batman merchandise.