Lumia Gestures Beta details:
With Gestures Beta you can control some of the functionality of your Lumia phone without touching the display.
This beta release will enable you to control calls and silence your phone conveniently. You can:
- Answer a call by picking up your phone and putting it to you ear
- Mute your mic during a call by placing the phone on a flat surface with the display facing down
- Put the call on speaker by placing the phone on a flat surface with the display facing up
- Silence incoming call ringer by flipping phone display down
Note: Lumia 630, Lumia 635, and Lumia 530 will have limited functionality.