A double swipe down from the top of the screen can open the Notification or Quick Settings curtains on the LeapFrog Epic tablet.  These curtains are Android features which cannot be turned off.

A double swipe down on the left side of the tablet will open the Notifications menu. This will generally show downloading and installing activity, as well as error messages. It will also show the remaining time for Time Controls.

A double swipe down on the right side of the screen will open the Quick Settings menu. It is important to note some settings can be changed here without entering the Parent Lock code.  From this menu WiFi can be disabled, brightness can be adjusted, and the screen rotation can be locked or unlocked.