Le Manuel de Légion de Marie is an Android application that provides a comprehensive guide to the Legion of Mary, a Catholic association of laypeople who volunteer their services to the Church. Founded in Dublin, Ireland in 1921, the Legion of Mary currently has over three million active members and over ten million praying members worldwide.

Membership in the Legion of Mary requires being a practicing Catholic who is faithful to the teachings of the Church. Active members serve God under the banner of Mary by engaging in spiritual work. The Legion's main activities include meeting people from all walks of life, including the poor, the rich, the young, the old, and marginalized members of society, such as the homeless, prostitutes, and prisoners, as well as non-Catholics.

This application contains the Legion of Mary manual and prayers to assist you in your life as a legionnaire. It includes features such as communal prayer, defined apostolic work, and weekly meetings. Join the Legion of Mary and serve God under the banner of Mary with the help of Le Manuel de Légion de Marie.