Feng Shui Compass, also known as Lo-Pan, is a tool designed for feng shui masters, which provides deeper feng shui information about a site or a building. This app is available on Android platforms and is completely free to use.

The app consists of bands of concentric rings arranged around the magnetic needle. A professional feng shui compass can have over forty rings of information, which are specifically connected to particular areas of people's lives. This app is a must-have for feng shui enthusiasts, architects, and builders.

It is important to note that the app is currently available in Chinese version only and may be difficult to use for non-Chinese speakers. Overall, this app is a great tool for feng shui masters and enthusiasts who want to get more in-depth information about a site or building.