The app offers approximately 3000 world history questions, including 2800 one-answer questions and 230 multiple-choice questions. It also includes a chronological memorization feature for important events and information on treaties and wars.
The app combines puzzles and picture books for children. It focuses on activating the right brain and improving abilities like information processing and concentration.
The app offers over 3200 questions covering Japanese history from ancient to modern times. It includes 2200 fill-in-the-blank questions across 54 genres and 1000 multiple-choice questions, with a feature to focus on incorrect answers.