Development time for v2.0: 6 months
Actual development time for the single release: 4 weeks
ACTUAL development time, not just 2 hours a day: 2 weeks
ACTUAL development time, minus graphics: 10 days

ACTUAL development time, minus graphics, minus polish: 3 days

The bet is still on. 3 polished apps in 2013? 1 down, 2 to go, 3 days left :)