Nějaký mobil od Samsungu. To je opravdu popis jak stehno.

If you [short] click the sleep button while in camera, you can toggle that lock on and off. It's so you can "lock" the phone into camera mode and not worry about accidentally hitting any of the nav buttons (and switching back to home, search, etc.)

It's pretty handy actually, especially if you want to keep the camera on deck and shove the phone in your pocket (I'm 99% likely it won't time out to the lock screen either).