It's for editing video you've shot on your iPad 2 or iPhone 4. In fact, you cannot edit video you've synced from iTunes - only what's in your camera roll.
That's the point.
You don't. You would have shot that on the iPad 2 in the first place.How would you get the video you've shot on the your iPhone 4 to the iPad?
You don't. You would have shot that on the iPad 2 in the first place.
You don't. You would have shot that on the iPad 2 in the first place.
Share among devices.
Want to shoot with an iPhone and edit on an iPad? No problem. You can transfer your iMovie projects between compatible iOS devices via iTunes.
You don't. You would have shot that on the iPad 2 in the first place.
I guess I'm having hard time seeing why someone would carry the iPad around to shoot video.