Sony VAIO Duo 13 User Manual page 37

Closing Apps
You can close currently running apps by following the instruction below.
Touch operation (Touch screen equipped models)
1. When an app is open, point to the top-center of the screen.
2. Drag the app to the bottom of the screen until the app disappears from the screen.
Mouse/Touch pad operation
1. When an app is open, move the cursor to the top-center of the screen until the hand icon
appears.
2. Drag the app to the bottom of the screen until the app disappears from the screen.