Android offers a range of simple ways to keep tabs on which apps are running, and to close those that aren't currently needed.

Android is a versatile multitasking mobile operating system and can run multiple apps simultaneously. When you are working in an app, the other applications are running in the background.

If you suspect there’s a rogue Android app running in the background that's causing problems, we show you how to check and what you can do about it.

Chrome OS 64 enables Android apps to run in the background. The new feature is called Android Parallel Tasks and should allow for better multitasking.