Roronaa_chan on 14 June 2015
http://www.gameblog.fr/news/51305-the-last-guardian-devrait-sortir-sur-ps4-en-2015-nos-infos-i
Some insider says TLG is coming in 2015.
http://www.neogaf.com/forum/showpost.php?p=167768151&postcount=19363
Their inside sources said : "The games is in QA Test phase since three month in Japan Studio for a release in late 2015 . Mark Cerny works as a 'Closer' on the project."
Essay Pro