According to Polygon (via Gematsu), this announcement was found in CoroCoro magazine, which had a two-page spread showing off how Puzzle & Dragons Z looks on Nintendo's 3D handheld. There, we see the match-three puzzle board presented on the bottom touch screen of the device, while players' team members and the current enemies are displayed on the 3D screen up top.
According to Gematsu, the announcement also states that over 200 monsters will be available, along with 3DS exclusive symbols that will cause large explosions when cleared from the board. Hopefully, Puzzle & Dragons Z on Nintendo 3DS will perform well enough to warrant a worldwide release, and we'll make sure to let you know if that ends up being the case.
Are you excited about the potential to play Puzzle & Dragons on your 3DS? Sound off in the comments!