Acer B1-721 - Manual (Page 40)

40 - Advanced settings
Display
You can adjust your tablet screen settings by tapping APPS
>
Settings > Display.
Apps
Closing an application
To close an active application, go to Settings > Apps. Swipe over to
the RUNNING tab, then tap the program you wish to close. Select
Stop to close the program.
Uninstalling an application
You can remove programs installed on your tablet to free up extra
storage memory. Tap and hold a program icon from the application
menu and drag it into the Uninstall area in the top-left corner.
Item Description
Wallpaper Set the Home screen background image.
Brightness Adjusts screen brightness.
Daydream
Controls what happens when the tablet is docked
and/or sleeping.
Font size
Sets the font size so either more text is visible or
the text is easier to read.
Sleep Sets a delay before the screen will be turned off.
Note
You can enable or disable the screen rotation function by swiping down from
the top-right side of the screen and tapping the AUTO ROTATE button.
Note
You cannot uninstall applications that were pre-loaded on your tablet.