TimeTune - TimeTune improves your daily routine and allows you do more things with your time.
Google Calendar - Spend less time managing your day & more time enjoying it
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
CalenGoo - Features | 1.0.175 for Android™
Jorte - Schedule books must be practical and has a good design.
Habitica - Habitica is a free habit building and productivity application.