The Mobile Prayer Book is an Android application developed by Mirko Martinović. It is a free app that is available on Android 9.0 and falls under the Education & Reference category. The app is designed to offer a comprehensive list of Catholic prayers in English, including The Lord’s Prayer, Hail Mary, Glory be to the Father, The Apostle's Creed, The Nicene Creed, Queen of Heaven, Parent's Prayer, and Prayer to our Guardian Angel, among others.

The app provides several options to its users, including the ability to copy prayers to the clipboard by long pressing the text, create a list of favorite prayers, and change the prayer background for day or night praying. Users can also adjust the font size according to their preference. The app is user-friendly and provides a great experience for users who want to have a collection of prayers in one place.

Overall, the Mobile Prayer Book is a great app for those looking for an English-language Catholic prayer book. If you download this app and like it, please leave a kind review and rating. The developer, Mirko Martinović, is open to suggestions and welcomes feedback.