Layton’s Mystery Journey, formerly Lady Layton, launches for 3DS in Japan and smartphones worldwide on July 20
Professor Layton's daughter takes over in late July.
Lady Layton: The Millionaire Ariadone’s Conspiracy will launch under the new title Layton’s Mystery Journey: Katrielle and The Millionaires’ Conspiracy for 3DS in Japan, and iOS and Android worldwide on July 20, Level-5announced.
The 3DS version will cost 4,800 yen, and the iOS and Android versions will cost 1,900 yen and have item-based in-app purchases. (You can reach the ending of the game without making any in-app purchases.) Supported languages include Japanese, English, French, Italian, German, Spanish, Dutch, and Korean. A western release of the 3DS version is seemingly also planned, as the press release mentions it will launch in Japan first.