Due to reader response about Random Acts of Trust and a certain scene, I thought I'd chime in.
Yes, there really ARE vibrator apps for smartphones.
Here's an example: iVibe
Go ahead and do your own search in the App store or Android Market. Shhh…I won't tell. And also -- yes, there are documented medical cases of women who do what happened to Amy (no spoilers!). Truth IS stranger than fiction. But not funnier.