A few non-gaming stuff was revealed by Sony during a recent Q&A event.
* The cap limit for a Friend List was revealed to be 2,000 friends possible. For comparison, the current limit on the PS3 is 100 friends possible.
* Party Chat will be a free service to everyone and won't be tied to a Playstation Plus membership.
* While there is a requirement for PS4 games to support Remote Play for the Vita, there is none for using the Vita as an optional controller. Developers have to decide and code on their own the ability to do such a thing for certain PS4 games.
http://www.destructoid.com/add-2-000...4-258958.phtml
http://www.egmnow.com/articles/news/...uch-an-option/
Unlike the mandatory requirement for games to have Remote Play capabilities for the Vita, the ability to use the Vita as an optional controller The ability to use the Vita as an optional controller has to be specifically coding into games since there is no requirement nor