If you dig card games, you will love the app Blackjack 21, previously known as iBlackjack. Play against the house with official Vegas rules like double down and split. There is strategy assistance for hard or soft totals or splitting pairs. This version includes a running card counter, which will surely get you kicked out of the real Vegas if you happen to take your iPhone or touch with you when you visit the city. Blackjack has full support for OS 2.2 and a price of $1.99.
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Art & Mobile has just released QuadCamera, the fourth in a series of applications named ToyCamera. Compatible with iPhones OS2.1 or later, choose between color or black and white mode and get, with only one touch, 4 to 8 serial shots. The interval is 0.25 to 3.00 seconds and you can choose between 2x2, 4x1, 4x2, 8x1 layout, in both portrait and landscape mode. Check out more shots on their site or get your own ToyCamera from the iTunes App store for $1.99.
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