FWIW, it took 4-5 days to review my app each time I submitted it. To the extent that i was driving down a highway in Mexico and looked over at the person next to me and said, "I bet my app just got approved". When I got to my destination and checked my e-mail, I had nailed it, almost to the minute.
Oh, and in case you're wondering, here it is:
Pocket Bacon | PocketBacon.com