The app you're describing is a comprehensive quiz and learning tool focused on famous individuals from various fields and eras. Here's a detailed overview of the app's features and content:

Overview: The app features 476 well-known personalities from world history, including kings, queens, politicians, musicians, actors, and film directors. It spans a wide range of figures, from Alexander the Great to Benjamin Franklin, Joan of Arc to Fred Astaire, and Louis Armstrong to Winston Churchill. This makes it both a history and art quiz, challenging users to identify these figures through their portraits.

Levels and Categories: The game is structured into different levels of difficulty and professional categories:

• Level 1: Contains 123 well-known personalities such as Julius Caesar and Alfred Hitchcock.
• Level 2: Includes 122 figures that are harder to identify, like Blaise Pascal and Igor Sikorsky.

Additionally, there are four professional levels dedicated to specific fields:

1. Writers: Featuring William Shakespeare and Leo Tolstoy.
2. Composers: Including Johann Sebastian Bach and Leonard Bernstein.
3. Painters and Paintings: Showcasing Michelangelo, Georgia O'Keeffe, and others. Users must identify the artist when shown a painting, such as "Mona Lisa" by Leonardo da Vinci.
4. Scientists: With figures like Isaac Newton and Charles Darwin.

Game Modes: Each level offers multiple game modes to keep the experience engaging:

• Spelling Quizzes: Available in easy and hard modes.
• Multiple-Choice Questions: With 4 or 6 options, where players have only 3 lives.
• Time Game: Players must answer as many questions as possible within one minute, needing over 25 correct answers to earn a star.

Learning Tools: For those interested in learning without the pressure of guessing, the app provides:

• Flashcards: Offering brief biographical information and links to full biographies in an encyclopedia.
• Tables: Organized by level for easy browsing.

Additional Features:

• The app is available in 24 languages, including English, French, Spanish, and German.
• Advertisements can be removed through an in-app purchase.
• The app is recommended for anyone interested in world history, with regular updates adding new personalities. The current version, 3.5.0, includes a new "Drag and Drop" game mode.

This app is an excellent resource for testing and expanding knowledge about influential figures across different cultures and epochs. It's perfect for history buffs and anyone curious about the faces behind the names in history books.