You just got out of prison where you served 14 years for murder. It could have been 8 with good behavior, unfortunately, you're an asshole. Now you're moving in with your sister and need to make up for lost time by impregnating and/or cucking everyone
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