Quote Originally Posted by aray0002 View Post
If you want the PS4 version for Free you will no longer be able to log into the game using the PS3. However.. if you choose to buy the PS4 version you could in effect have both games signed in on the same account giving you a rare option to create MULES by sending yourself Freind Request to yourself.
You can't sign in to the account on more than one platform at a time. You also still couldn't create mules as they're still on the same account, not on your friend list. Unless you create separate accounts and pay for 2 subscriptions.