Modlitewnik is an Android application that provides basic prayers and litanies for those who seek a moment of reflection and peace. The app features a collection of prayers, including the Rosary and the Way of the Cross, which is courtesy of the Loretan Sisters. It also includes the Prayer to Saint Michael the Archangel, the Universal Prayer (Clement XI), the Prayer for the Homeland by Father Piotr Skarga, and the Prayer for Children to Saint Hyacinth. The app features litanies such as the Litany of the Most Holy Name of Jesus, the Litany of the Sacred Heart of Jesus, and the Litany of the Most Precious Blood of Christ. Additionally, it features basic prayers, such as the Lord's Prayer, the Creed, the Trisagion, the Hail Mary, the Angelus, and the Regina Coeli, among others.

The app requires no internet connection, and it is easy to navigate. The app's interface is simple, with a menu that allows users to access the prayers, litanies, and basic prayers categories. Overall, Modlitewnik is an excellent app for those who want to have a moment of reflection and prayer on the go. The app is free and available for download on the Google Play Store.