Professor Layton and the Million-Selling Sequel

It would appear that Nintendo made the right decision in
finally getting around to releasing
Professor Layton and the Diabolical Box worldwide, as the company was able to trade
that box for one filled with cash money. The company released a supplement to its earnings report, listing the million-selling first-party Wii and DS games of its Q3 (April-September), and
Diabolical Box made the list with 1.26 million units sold. The entirety of that 1.26 million comes from outside of Japan, since it wasn't a first-party game in Japan, and it was released in 2007.
The other new additions to the million-seller club on DS:
Tomodachi Collection, the Mii communication game, and
Pokemon HeartGold and SoulSilver, which mysteriously managed to rack up 10,000 overseas sales despite not having been
released outside of Japan. Is Nintendo tracking import retailers differently somehow?
On Wii,
Wii Sports Resort has reached 6.97 million units worldwide, and
Wii Fit Plus has already sold 2.13 million, a nice complement to the 4.28 million that the first
Wii Fit sold in the last quarter.
Source (PDF)