LG LGL45C - Manual (Page 47)

Accessing Recently-Used Applications
Your device keeps a running list of your eight most recently used
applications.
1. Press and hold to open the recently-used applications
window.
2. Tap an icon to open the related application.
Changing the Screen Orientation
This device is capable of changing the orientation of screen
content when the orientation of the device itself has changed.
The device’s built-in accelerometer senses movement and changes
its angle/orientation. Note that some of the screens, applications
and widgets do not support orientation changes.
The automatic screen orientation feature can be manually
enabled to change the orientation for all enabled screens when
rotation is detected.
Note
An example of a screen that automatically re-orients by moving the
device is the Messaging screen. This only requires you turn the device
on its side.
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Device Basics