Scribblenauts in one of the fun time waster games for the DS that, despite being educational, is a blast to play. From the team that made Draw to Life (a very decent Action-Platformer) type in words to help you solve puzzles. Sounds like a perfect game for those who have a iOS device.
Well, Scribblenauts Remix is the perfect fix for this with updated graphics for 99 cents. There is no news on how long this will last so we recommend picking it up as soon as possible.