There's an app that has been gracing the front page of the Market for quite some time, though up until now it hasn't peaked my interest. I decided to take a quick look at Silly Dino, an app "all about silly dinosaur riddles", but then realised I didn't have to after seeing this comment:
Now, if seven terrible sentences for two dollars isn't exactly your bag (but why wouldn't it be?), then all comments pretty much suggest that you don't bother with it. Though, according to one:
"Keeps a 5 year old busy."
Maybe $2 for a quiet child isn't that bad an idea?