Calendrier lunaire is an Android application developed by Philippe Royer that provides information on the different lunar phases, apogee, perigee, lunar nodes, waxing and waning moon, ascending and descending, and their influence on gardening. It also explains the meaning of the days known as "leaves," "flowers," "fruits," or "roots." The app offers a regularly updated calendar that provides accurate information on the lunar cycles.

The interface of Calendrier lunaire is user-friendly and easy to navigate. The application provides a comprehensive guide for gardeners to plan their activities according to the lunar phases. It is a helpful tool for those who want to maximize their gardening efforts and get the most out of their harvest.