The game takes place 4 years after a great epidemic which wiped out 99.9999 percent of the male earth population. And you are one of the lucky guy's who survived it. The game starts when you turn 18. Your life is about to change...
In order for you to be able to install this game, you need to enable (allow) installation of applications from unknown sources (Unknown sources) in the phone settings. Usually this item is in the Security section