Birthday Book is a free Android application developed by Walter Choy. This lifestyle app is based on Western birthday horoscope fortune-telling. It provides users with a comprehensive analysis of their birthday and character, fate, love, career, health, lucky numbers, birthstone, best matchmaker, and many other birthday fortune-telling information.

The app's interface is easy to use, with a simple and intuitive design. Users can enter their birth date and get a detailed analysis of their personality traits, strengths, and weaknesses. The app also provides users with daily horoscopes, which are updated regularly, and users can save their favorite horoscopes for future reference.

Overall, Birthday Book is a great app for anyone interested in astrology and horoscopes. It's informative, easy to use, and provides accurate and relevant information for each user's birthday. The app is available for free on the Google Play Store, making it accessible to anyone who wants to learn more about their birthday and horoscope.