Have you ever thought of how the world would end? Well, if you haven't then the guys at Kongregate have made us an example using 'sheep'. If you are searching for Android apps free for download which would take up your free and idle time, then you better try 'Sheep Happens'. 

'Sheep Happens' takes you to the ancient times as you survive an apocalypse where sheep falls from the sky. Run after the swindling Hermes and beat him in mini-games to make sure you stay alive.

Like other runner games, there are also options to upgrade your character's abilities to make him run further. Dodge and jump over obstacles to keep your hopes alive and make sure you log in to Facebook so you can compare your best runs with friends. 

Sheep Happens is completely free to play from the Play Store with optional in-app purchases.