Program Apex is an Adult Visual Novel that will involve physics and time travel. Ray is a dedicated boy who loves technology and physics, with a student support scholarship, he ends up entering one of the largest technology academies in the world along with his childhood friend. Dedicated to studying quantum physics, he decides to create a machine capable of modifying the degeneration of molecules, but after a failed presentation, he is welcomed by a strange girl in his room, who says she came from the future.
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