Lich Van Nien - Lich Van Su is an Android app developed by Tuyet Nguyen that offers a wide range of features for those interested in astrology, fortune-telling, and Vietnamese culture. The app includes a lunar calendar, zodiac hours, good and bad days, auspicious directions, and other useful information. It also features a beautiful interface with fun wallpapers to choose from. Users can easily switch between dates by swiping left and right.

In addition to the calendar features, Lich Van Nien - Lich Van Su also offers several fortune-telling options, including tarot readings, horoscope predictions, and phone number divination. Users can also check their childbearing age and view information on the Twenty-Eight Mansions. Overall, Lich Van Nien - Lich Van Su is a comprehensive and free app that provides valuable information for those interested in Vietnamese astrology and culture.