Rosarium is a free Android application designed to help users contemplate the mysteries of the Rosary through works of art. The app features over 100 pieces of art, with at least five for each mystery. It is user-friendly and allows for customization of comments by adding, editing, or deleting initial comments taken from the Holy Scripture and liturgical texts related to the corresponding mystery. Additionally, Rosarium includes a guide for praying the Rosary, which includes prayers and litanies.

The app's interface is simple and intuitive, making it easy to navigate. Users can select a mystery and then swipe through the corresponding artworks while reflecting on the accompanying comments. The inclusion of the guide for praying the Rosary is a helpful feature for those who may be new to the practice. Overall, Rosarium is a valuable tool for those seeking to deepen their spiritual practice through the contemplation of art and prayer.