The Samsung Galaxy S4 gives you the opportunity to run two applications simultaneously, which can be great for multitasking.
Samsung Galaxy S4: How to Enable and Use the Multitasking Bar?
Enabling Multi Window
From the Home
screen > Settings
> My Device
. Then, go to Display
> Check Multi Window
To use Multi-view
From the idle screen, press and hold the Back
button to display the Multi-View drawer. It contains a list of apps that can be launch in Multi-View Mode. Click on an application and drag it to the phone screen:
Click and drag another application to the upper or lower half of the screen:
Now you have two applications running on the screen. You can use the bar that divides the two applications to resize the size of each window.
Note: Not all applications are compatible with Multi Window.
Image: © Pixabay.