Test done using an Itouch 4th Generation – Operating System 5
Itouch quick start camera and iTunes.
Double press the home button while in sleep mode.
Camera and iTunes now available.
Camera bottom right.
iTunes top middle.
Also the itouch camera will not be in the dock.
As in I believe camera is turn off once you exit the camera.
This did not work on an Iphone 3 with 4.2 OS.