La bàn phong thuỷ định hướng t is a free Android app developed by NQT Corp in the Utilities & Tools category. The app is available in Vietnamese and can be downloaded easily. This app provides an automatic compass that helps users determine the directions of their house, kitchen, altar table, and ancestral altar table, based on the owner's age. The app supports sensors and accurately determines the direction of East, West, South, and North.

The app helps users to gain a deeper understanding of feng shui principles, room arrangement, and direction. The app also provides information on where to place certain items in the house, such as the main entrance, kitchen, bedroom, and workspace. Moreover, the app provides information on how to use the compass and how to place it to get the most accurate results. It is recommended to keep the device at least 3 meters away from objects that can interfere with the magnetic field, such as electrical appliances, steel, and magnets. The app is easy to use and can be used both online and offline.