I’m going to show you can enjoy multiple Windows on single screen on your Android device. For this, your device must have the latest Android version Marshmallow or CM 13.
So, Let’s start…
Navigate to settings of your Android device then scroll down and tap on About Phone.
And then there would be 2ndlast option that is Build Number. Now, tap on that for 5 times to enable Developer mode.
After tapping message will be displayed you have successfully enable developer mode if you have already enabled that developer mode then skip the above step.
Now, go back and you will see Developer Option, then tap on that.
Now scroll down you will see multiple window mode. Tap on that and enable it. Go back and in menu, open any App