Professor Layton and the Devil's Flute represents a "second season" in the Layton series, and Miracle Mask would be the second game in that season. Hino stated that a follow-up movie to Professor Layton and the Eternal Diva would be coming before a third game in the new season would be released, if it were to be made.
Also announced was a major promotional tie-in with McDonalds. Customers will soon be able to bring their DS to participating McDonalds and download three original puzzles, view art from Professor Layton and the Eternal Diva, and take a Professor Layton-themed quiz. This promotion will run for twenty days, starting January 8. A copy of Professor Layton and the Devil's Flute is required for these additional puzzles.
No release date for future Layton titles in North America has been announced. Currently, North America has two of the four existing Professor Layton games available in Japan. Also, no release date for Professor Layton and the Eternal Diva in North America has been announced.