Don't know about PacMan, but LoveLock made me think of the following.
Make a bracelet that has a pulse sensor and a couple of tiny LEDs, pair it with the iPhone and the further connect it to another iPhone/bracelet combo over the Internet. Use one LED for the owner's pulse, and another - for that of a better half on the other end.
PS. Deluxe version could also show a distance between the bracelets.
Make a bracelet that has a pulse sensor and a couple of tiny LEDs, pair it with the iPhone and the further connect it to another iPhone/bracelet combo over the Internet. Use one LED for the owner's pulse, and another - for that of a better half on the other end.
PS. Deluxe version could also show a distance between the bracelets.