Parallel Space is an application that allows you to manage two different user accounts for any app installed on your Android device. Basically, you can create two different accounts for anything like Facebook, Instagram, Clash of the Clans, Candy Crush Saga, etc.
Parallel Space is much simpler than you might expect. Basically, it’s an application that creates a virtual space that is completely independent and separate on your device that allows you to run other apps inside. That way, you can use the same application twice on the same device. One runs on your device, and the other runs on Parallel Space.