FamCal - FamCal is an organized and managed calendar to track the family records like events, notes, and dates of births.
Google Calendar - Spend less time managing your day & more time enjoying it
Power Planner - Record homework and class schedule.
CalenGoo - Features | 1.0.175 for Android™
Sectograph - Sectograph app enables you to create a visual event tracker to keep track of all your upcoming events and due tasks right from the home screen.
Jorte - Schedule books must be practical and has a good design.