To continue to mention God Almighty!
Fortress of the Muslim program for Android includes many of the dhikr and supplications that are essential in the daily life of a Muslim to fortify the soul from the accursed Satan and draw closer to God Almighty

The application contains many features that enable you to easily access all supplications:

Without ads
Without internet
Citation index
Search in dhikr
Favorite dhikr
Give praise
Dhikr copy and paste in other applications
Azkar participation through mail SMS Facebook Twitter ... etc
And many other advantages ...