The Japanese site Media Create has just put online game sales in Japan the week of August 17.
Game Collection Friends, took first place with over 83,000 units sold. Sales of the top "ten" are mostly old titles, but there are still some innovations that have sold well.

Here are the top 10:
1. Friend Collection (Nintendo DS): 83,000
2. Dragon Quest IX (Square Enix, DS): 79,000
3. Monster Hunter 3 (Capcom, Wii): 51,000
4. Melty Blood Actress Again (Software School, PS2): 44,000
5. Wii Sports Resort (Nintendo Wii): 32,000
6. SD Gundam G Generation Wars (Namco Bandai, PS2): 26,000
7. Kakushi Okami (Capcom, PSP): 23,000
8. Monster Hunter Portable 2nd G PSP the Best (Capcom, PSP): 18,000
9. 7 Puyo Puyo (Sega, NDS): 18,000
10. Ougon no Korda f Encore (Koei, PSP): 14,000

So the game Friend Collection which take first place in the top 10. As you can see the game as the PSP sold only at the seventh.
[Software] Minna no Shiats
[Software] Battle Spirits:
[Software] Motto Nuga-Cel!
[Software] Mimana Iyar Chr
[Software] Memories Off: S
