Here is the list:

• Dragon Quest IX: Defenders of the Starry Sky (Square Enix) - NDS - 2 319 000 (New)
• Wii Sports Resort (Nintendo) - Wii - 103 000
• Tomodachi Collection (Friend Collection) (Nintendo) - NDS - 57 000
• Boku no Natsuyasumi 4 (My Summer Vacation 4): Youth Detective Group in Seto - Me and the Secret Map (SCEI) - PSP - 24 000
• Hatsune Miku: Project Diva (SEGA) - PSP - 14 000
• Monster Hunter Portable 2 G (BEST) (Capcom) - PSP - 14 000
• Kingdom Hearts: 358/2 Days (Square Enix) - NDS - 9 000
• Wii Fit (Nintendo) - Wii - 9 000
• Pokemon Platinum (Pokemon Co.) - NDS - 8 000
• Sloane and MacHale’s Mysterious Story (Level 5) - NDS - 7 000

http://www.el33tonline.com/past/2009/7/16/media_create_japanese_software_sales_for_week_ending_1207/

Hopefully Japan can get better sales in the future.

Lets hope the future means Monster Hunter 3.