Android O features youll love Background execution limits Android O keeps apps under control when youre not actively using them. Your Android phone will let you do many things at once, even though all of them might not be on your screen. Besides system processes that can do things like checking your location or seeing if you have any new email, apps can be opened and then be left to run in the background while we are doing something else. A good example would be when you open your favorite music player and cue up a playlist to listen to while you check out Facebook or do a little web browsing. The music app is running in the background, doing its thing while youre looking at something else. But some apps can be sent completely to the background. In our example of Android Os Background execution limits , the music player is not on the screen and running as a background app, but its still interacting with us and playing music. Other apps that weve opened and switched away from should be ...