I didn't do the one in September, but I did the April one, which had games and apps on equal footing.
April
1. Super Smash Bros. for Nintendo 3DS (193:22)
2. Kingdom Hearts 3D: Dream Drop Distance (146:15)
3. Fire Emblem: Awakening (112:55)
4. Netflix (112: 15)
5. Kingdom Hearts: 358/2 Days (102:18)
6. Pokemon SoulSilver Version (96:15)
7. Pokemon X (93:03)
8. Mario Kart 7 (88:30)
9. Mario & Luigi: Dream Team (65:22)
10. Pokemon Black Version 2 (64:03)
Current
1. Super Smash Bros. for Nintendo 3DS (220:41)
[Internet Browser (197:43)]
2. Fire Emblem: Awakening (177:01)
3. Pokémon SoulSilver Version (165:55)
4. Kingdom Hearts 3D: Dream Drop Distance (146:16)
5. Xenoblade Chronicles 3D (136:10)
[Netflix (112:15)]
6. Kingdom Hearts 358/2 Days (102:18)
7. Pokémon X (94:15)
8. Mario Kart 7 (88:48)
9. Pokémon Black Version 2 (66:01)
10. Mario & Luigi: Dream Team (65:22)
I've noticed that with most of the people posted, their top game is like several hundred hours, and then when you get to 10, it drops to like ~30, with a massive drop somewhere between like 4-7. It's interesting.