Silence incoming calls: Checkmark to enable you to turn the phone over to silence the incoming call ringtone.
Snooze or stop alarm: Checkmark to enable you to turn the phone over to snooze or stop the alarm.
Pause video: Checkmark to enable you to turn the phone over to pause the currently playing video.
Help: Opens a help guide on how to use the Gestures features of your device.
SENSOR
Motion sensor calibration: Allows you to improve the accuracy of the tilt and speed of the sensor.