To display the Help window, you must execute the command of the same name, which is located in the left menu "≡".

    This window provides brief information on how to work with the application. At the end of the help, there are useful links to the video Demonstration of settings and working with the "Feng Shui Calculator" for Android and links to videos that demonstrate how to work with other applications from the Feng Shui series ("Feng Shui Forecasts", "Feng Shui People Compatibility").