Samsung SM-T537VYKAVZW - Manual (Page 21)

Understanding Your Device 16
Using the Touch Screen
Important! To avoid damaging the touch screen, do not touch
it with anything sharp or apply excessive pressure
to it with your fingertips.
Finger Gestures
Touch
To open an application, to select a menu item, to press an
onscreen button, or to enter a character using the onscreen
keyboard, touch it with a finger.
Touch and Hold
Touch and hold an item for more than 2 seconds to access
available options.