Swap Video Camera – Allows you to swap between the back camera and the front-facing camera.
Zoom – Zoom in or zoom out. The Volume Keys will also set the zoom.
Brightness – Defines and controls of the amount of light entering the lens. Slide the brightness indicator along the bar toward “-” for a lower brightness video or toward “+” for a higher brightness video.
Flash – Allows you to set the flash mode.
Settings – Opens the video settings options. See Video options.
Gallery – Accesses your saved photos and videos from Video camera mode.
Record – Tap to start recording video.
Mode Switch – Allows you to switch between Camera mode and Video mode.