Yes, you can turn your cell phone into a vibrator by selecting the
vibration alert feature on your phone, and then repeatedly causing it
to go off either manually or by using software. Phreaking.org posted
an article on how to program an Ericsson T68 to serve as a vibrator.
Software to continuously activate a phones vibration alert is
available for download via WAP. Vibelet.com offers the Purring Pussy
Program. This program activates your phones vibrator while displaying
an image of a purring, contented cat on the LCD screen. The software
is only compatible with certain mobile phone models, so check their
site first to make sure your model is listed. You must also have
wireless Internet service on your phone to download it.