Its incredible how Allan Becker really set Japan Studio straight since he got there in 2011. This year alone SCE JP (or SIE JP for people with no respect for heritage) they might ships/
The Last Guardian (with Gen Design)
Gravity Rush 2 (internal Team Gravity)
The Tomorrow Children (with Q-games)
New Hot Shots Golf (with Clap Hands)
Playroom VR (internal)
The man does amazing work, should get more credit
It's a great lineup but this just happens to be the year where they reap the rewards for these games which have been in development for a few years (and in TLG's case more than a few years ).
The big challenge is to create a development pipeline that allows them to release a continous flow a great games so that we don't have to wait an other 4 years to see the next round of big games from Japan Studio. That is much harder goal to achieve and we'll see what happens.