Left control - fast access to your latest image in the gallery/editor.
Center control - shutter to start/stop capture.
Right control - mode selection.
Top menu shows fast controls. Pull it down to see all quick controls:
Scenes, white balance, ISO, flash, focus, exposure metering and more!
Barcode scanner control to enable/disable scanner. When enabled - place barcode/QR code into frame and wait for a second until scanned.
Select "more settings" to get access to all settings - general, viewfinder, capture and processing modes, export.
Show/hide self-timer and time-lapse control.
Select time interval and other parameters to take photos with self-simer.
Switch to time-lapse tab to configure time-lapse capture. Device will go into sleep mode if interval between photos is big enough.
Main help page