Every game on the Nintendo 3DS has some sort of rotating icon that appears on the system's home menu. Submarine game Steel Diver features a rotating sub. Ridge Racer has a car. These things epitomise their games.
What epitomises the Sims 3 experience? A burglar peeping on you while you're having sex. Or maybe you're the burglar/peeper.
Many decisions were made during the creation of The Sims 3 for 3DS. This was not one we had imagined.