FAQ on PS4 game and PS+ sharing: https://youtu.be/JvDWV-O_724
September 1st, 2015** For a newer and updated video of PS+ sharing: https://youtu.be/1IyNsnUxcm8
I also made a video about how to share Xbox One games with a 2nd Xbox or Windows 10 PC - https://youtu.be/eZOUnX1r1mA

I explain how its possible to play ONE purchased game on two different PS4 consoles and PSN usernames. Essentially sharing digitally purchased games and content between two consoles. As well as sharing a PS + access.