Square's recent Jump Festa event presented the public with many new goodies to ogle, the new Star Ocean 4 trailer being one of them. The trailer follows the two usual credos of Square previews: it's immaculately gorgeous and shows no gameplay whatsoever. I've got no reason to be snide, so I won't be, but I won't really perk up my ears for this title again until gameplay is shown.
If you want to keep a closer eye on the progress of this upcoming RPG, you can always keep an eye on the Japanese Star Ocean portal site Eternal Sphere. If you don't read moonspeak, you may want to hire a translator.