Change the view quality, from SD to HD, the drop down in the bottom left hand corner.
Zoom: you can zoom by clicking on the magnifying glass in the bottom left hand corner. On your phone you can use two finger zooming.
Move the picture: after you have zoomed you can move the picture screen to get the picture just how you want.
Full screen: click on the four arrows that point out to go to full screen.
Sleep: The connection may sleep you need to tap the screen or refresh the page.
Currently there is no audio