The "Liturgy and Prayers" App requires an Internet connection to be used. It is optimized for Android smartphones that have an 854 x 480 IPS display (5 "and above), as well as for Tablets. Readings and Prayers of the Catholic Church of the Roman Rite as follows: Mass of the day - Introduction to the Liturgy of the Hours - Compline of the day before - Liturgy of the Hours - Biblical readings of the day - Saints of the day - Liturgical Calendar - Prayers for every day - Antiphon of the Blessed Virgin Mary and Holy Rosary - Prayers for the Souls of Purgatory - Visit to the SS. Sacramento and Via Crucis - Prayers of Liberation and Chaplet of Divine Mercy - Prayers to be shared (among users of this App).