The end of the world has arrived, luckily you managed to survive together with two girls that you ran into on your way to your bunker. The time has passed and the girls have grown and also your needs (you know what I mean), can you do something to make things happen?
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