We are working on an update for
Quick Calendar Event - Timesheet App for Android. This great but misunderstood timesheet tool, gets three new features.
Default event duration
You can specify there a default value like: 5/15/30/60 minutes.
Auto. Updating of the end time
If you change the start time of an event the end time will be changed es well according to default event duration.
Round up, round off
Now you have more choise: do not round / round up / round off the start, round up the end