Interacting with Apps
You can terminate apps that are running in the foreground and the Recent at any time. To close an app, click the "X (close)" button to terminate the app.
You can remove apps in the installed list from the webOS TV in Edit Mode. Long press the app tile to start Edit Mode and once clicking an "X" button or the trash can icon (), then the confirmation asks you again to remove the selected app. If selecting yes, you can delete the chosen app.