To say that the iPhone and iPod Touch could kill the DS is a bit alarmist, but that doesn't mean they won't offer Nintendo's handheld some healthy competition. Come Monday, the App Store will launch on iPhones and iPod Touches (via a firmware update), allowing users to download games and applications straight onto their devices.
Aside from the ease of getting games, the iPhone and iPod Touch utilize
We're interested to see how the App store will affect the handheld gaming market, but is the DS in danger of dying off now? Not likely.