Shin Megami Tensei IV has a lot going on. Much like the Persona series it spawned, the original line fuses traditional dungeon crawling with some inventive extracurriculars. Get a video look at the game in action here.
No demon-slaying samurai would dream of embarking into the post-apocalyptic Japanese wasteland without a demon fusing app. That's bush league stuff, Atlus--tell us something we don't know.
Check out our first impressions of SMTIV over here, and try it yourself when it hits 3DS on July 16.