Tales of Innocence R hit stores today for the PlayStation Vita and along with it, the trial version was released for download from the PlayStation Store. I spent some time playing through the (very short) demo just now to get a feel for the game.
The demo consists completely of walking around a map and fighting some random battles with a boss fight at the end. In total, I completed the demo in about 5 minutes, so it's there's not a lot to it here. The idea is just to give potential players an idea for how the combat system works.
When entering a random battle you are free to move around a single character out of your four person party and attack from any direction. The square button acts as block, X as a special attack, circle as a normal attack, and triangle pauses the action and brings up a menu which lets you select items and such to use. To be honest I haven't played any games in the Tales series since the PSone, so I can't really comment on how similar the system is to previous entries in the series, but it reminded me a lot of the system used in Final Fantasy Type-0, and it feels good.
Overall the demo was too short to really give me any kind of idea of if I'll be interested in the gameplay or the story, but it at least seems to have a solid battle system. The character models seem somewhat bland, so I can't help but wish they'd gone with some kind of cell shading to give it a more anime type feel and make it consistent with the cutscenes and character designs.
The game is heavy on Japanese in both the dialog and menus, so I wouldn't suggest importing it unless you're pretty fluent in the language. It shouldn't be too long of a wait for a localized version though, given Namco's previous statements on wanting to bring more Tales games to other markets outside of Japan.