Based on previews, it looks like this fixes some of the original's problems - like the screen orientation (holding the screen sideways makes everything larger and eliminates dead space, but does not contain more pieces on screen than the original), which prevents people from accidently manipulating the wrong piece - a common complaint of the original. It also lets you move pieces side to side - like Puzzle League / Tetris Attack, which discourages the "scribbling" many resorted to in the original. If you think that makes it too easy, you can play on "hard" mode, which eliminates the side to side feature. Finally, the second screen will display disney themed artwork that changes according to how well (or terrible) you're doing. This artwork is, in the examples I've seen, gorgeous, and features some not-so-traditional Disney properties, like Nightmare Before Christmas and Pirates of the Carribean (no word on Tron though). The downside? Some of the more complicated aspects of the original, such as the mixing of elements to create new meteors, are gone. Still, this looks good, and will likely be superior to the original.
those other games, though!