What we are offering are legal and genuine Digital Downloads, but sent in the form of an account. After purchase you will receive an account with prepurchased game, put it on your console and use to start the download. Then you will switch back to your own profile and play. As the game comes directly from PSN store, it will be exactly the same as the retail digital or disk version with all PSN features like trophies, multiplayer etc.
After setup process the game will be available to launch on your own account, just as any other game or app you purchased directly in PSN Store.
This is an existing account with 12 months of PS+. By setting this account up on your console you will gain access to PlayStation Plus features on every other account on that device.
You will unlock PS4 multiplayer and Share Play, however the monthly free PS+ games might not be available in all cases.