Screen Lock Pattern Settings
You can touch "Set up screen lock" in <Location & security> under "Settings" to set the screen lock pattern. After this function has been enabled, you need to draw your unlock pattern in order to unlock the screen before you can use your device.
1-6 Navigation Tips
•Lenovo App Shop 
: Enter the Lenovo App Shop.
•Function menu 
: Display apps function menu.
•Applications 
: Display all tablet’s apps.
•Home 
: Back to the home screen or press the button for 2 sec to display recent apps.