The Arabic calendar is an useful app that has the features of :

Arabic to Gregorian to Arabic Date Conversion,

Single click for date adjustment (+1 day or -1 day),

Highlight the important Islamic dates,

Daily Prayer Time,

Monthly Prayer Time,

Athan,

Qibla Direction,

The Quran Recitation,

App Widget to show the recent prayer times on home screen,

Personal Income and Expenditure Manager,

Currency Converter,

Location & Method based prayer time settings,

Direct Jump to another year of calendar (tap on the month title for 3 seconds),

Swipe left-right-left to go previous/next moth month or top-bottom-top to go previous/next year.

An ad free version of this app is available at https://play.google.com/store/apps/details?id=com.paid.rahasofts.arabiccalendar