HTC One E8 - Manual (Page 29)

Increase ring volume automatically while phone is in your pocket or bag
Pocket mode makes HTC One (E8) recognize when your phone is
in your bag or pocket and raise the ring volume so that you can
hear it in noisy environments.
You can turn this feature on or off. Go to Settings, tap Sound &
notification, and then select or clear Pocket mode.
Rotate HTC One (E8) for a better view
For many screens, you can automatically
change the screen orientation from
portrait to landscape by turning
HTC One (E8) sideways.
When entering text, you can turn
HTC One (E8) sideways to bring up a
bigger keyboard.
Touch gestures
Use touch gestures to get around the Home screen, open apps, scroll through lists, and more.
Tap
§ Tap the screen with your finger when you want to select onscreen
items such as application and settings icons, or press onscreen
buttons.
§ After you've scrolled down a long list or screen (in apps such as Mail
and People), tap the status bar to jump straight to the top of your
screen.
29 Your first week with your new phone