Samsung TV E-Manual page 38

Displaying a Context-sensitive Menu in Smart Hub
In Smart Hub, highlight an item, and then press and hold the touch pad. The context-sensitive menu
for the item pops up.
"
The context-sensitive menu may vary depending on the item you selected.
Changing the Smart Hub Panel
On the Smart Hub screen, drag left or right on the touch pad to display the previous or next panel.
Scrolling on the Web Browser
Drag up/down on the touch pad in the web browser to scroll the browser screen.