The third book in the popular series, "Heart Secrets," reveals the truth about the cat's true identity. It turns out that he is not a simple cat, but the leader of a mysterious criminal organization. In order to find out who is responsible for the crimes, the Super Cat team needs to get back to the headquarters of the organization. But this is not an easy task, because the organization has hidden its base deep in the underground. The Super Cat team needs to find the location of the base, solve a secret puzzle, and discover the mystery of the criminal organization.

The application is based on the book series, and its purpose is to enhance the experience of the reader. In order to achieve this, the application makes use of augmented reality technology.