LG Journey LTE User Manual page 26

Touching and holding
Touch and hold for several seconds to display a menu with available
options.
Double-tapping
Tap the screen twice quickly to zoom in or out on a specific app.
Dragging
Touch and hold an item, such as an app or widget, then move your finger
to a desired location in a controlled motion. You can use this gesture to
move an item.
Basic Functions
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