JewCal convert dates for all year and gives you all Holidays dates.
JewCal show you the current torah reading of the week with time.
You can also view all important time in the day (prayer, sunset,sunrise).
A version compatible with Android 4.x is available here : https://play.google.com/store/apps/details?id=com.mobcreation.apps.jewcal
In JewCal 3.5.1