Well judging by some of the amazon reviews for the latest Professor Layton game, there still seems to be some confusion out there.
http://www.amazon.co.uk/product-reviews/B004JHY40C/ref=cm_cr_pr_btm_link_5?ie=UTF8&pageNumber=5&showViewpoints=0
http://www.amazon.com/Professor-Layton-Miracle-Mask-nintendo-3ds/product-reviews/B008OQTV7K/ref=cm_cr_pr_btm_link_3?ie=UTF8&pageNumber=3&showViewpoints=0