The original Lego Racers. Works really well on the deck, is Lego themed, and is just an all-round fun game.
Child-me spent countless hours with it, adult-me beat it in under 2 hours. Fair warning though: the title screen song will get stuck in your head
Dang... The author realized an actual problem / inconvenience people had, and somehow went on to think "I know! I'll have a random nonsense generator make up the data! That's a great solution!"