Taskbook: Swipe shortcuts

Swipe shortcuts offer the ability to access the most frequently used functions quickly.
Swipe left or right on the task (like the finger in the sample) and five buttons will appear on the task.

From left to right, you can perform the following functions. 

1. Copy the task
2. Change the planned date of the task
3. Add Event to the calendar for the task
4. Move to the Done
5. Remove the task