CalenGoo (Android) app for $2.99

CalenGoo is a calendar app that automatically syncs with your Android calendar and Google Calendar. It is designed to make it easier and faster to work with your calendar on your phone. Four different calendar views (day, week, month, and agenda) give you a good overview of your upcoming events. To make rescheduling events easy, move or copy the events via drag-and-drop in the day, week, and month view.++