LG LGVS920 - Manual (Page 152)

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Settings
Developer options
USB debugging: Checkmark to turn on debug mode when the USB is
connected.
Development device ID: Displays the development device ID.
Stay awake: If activated, the screen will never sleep while charging.
Allow mock locations: Checkmark to allow mock locations.
Desktop backup password: Allows you to set a desktop backup
password.
USER INTERFACE
Enable strict mode: Checkmark to flash the screen when apps operate
for a long time operations on main thread.
Show touch data: Checkmark to make touch data visible on the screen.
Show touches: Checkmark to show visual feedback when the screen is
touched.
Show screen updates: Checkmark to flash areas of the screen when
they update.
Show CPU usage: Checkmark to display a screen overlay showing
current CPU usage.
Force GPU rendering: Checkmark to use 2D hardware acceleration in
applications.
Window animation scale: Select to set the window animation scale.
Transition animation scale: Select to set the transition animation scale.
APPS
Don't keep activities: Checkmark to destroy every activity as soon as
the user exits apps.
Background process limit: Set the preferred Background process limit.
Show all ANRs: Checkmark to show App Not Responding dialog for
background apps.