Lịch vạn sự - Lịch vạn niên is a free Android app developed by Adelaide Bernice in the Education & Reference category. The app provides a wide range of features that allow users to access detailed information about the lunar calendar, including date, month, zodiac signs, and more.

The app has several key functions, such as viewing daily and monthly calendars, quickly and accurately converting between lunar and solar calendars, checking daily weather updates, and monitoring biorhythms to help users manage their time effectively. Additionally, the app offers hundreds of rituals and prayers in various categories, as well as information on auspicious dates and times for travel.

With its flat design and flexible color scheme, Lịch vạn sự - Lịch vạn niên aims to provide users with a visually appealing and engaging experience. It also supports small screen sizes, making it accessible to users with a wide range of devices.

Overall, Lịch vạn sự - Lịch vạn niên is a comprehensive and user-friendly calendar app that offers a wealth of information and features for users who are interested in the lunar calendar and traditional Vietnamese customs.