Palsalmody Khechki written entirely
Application of praises, melodies and dzoologies of Kiahk written and audio
More than one source such as Anba Yans - Team Abu Fam - Deacon Adel Maher - Deacon Paul Malak - Teacher Ibrahim Ayyad - Teacher Gad - Institute for Coptic Studies
The ability to download any mp3 file you want
The ability to listen in the background without the need for the application
Fathers sayings about Saint Mary