Free android app that contains various novenas to the Virgin Mary:

*Novena to Our Lady of Fatima
*Novena to Our Lady of Mt. Carmel
*Novena to Our Lady of Lourdes
*Novena to Our Lady of Guadalupe
*Novena to Our Lady of Mediatrix of All Graces
*Novena to Our Lady of Manaoag
*Novena to Our Lady of La Salette