Another app that Darren found on GetJar, BlueShoot lets you find nearby phones with Bluetooth turned on and send messages to them  using Bluetooth for free.  In “Spy Mode” it can alert you when any phone (or only certain phones) move into range. “Autoshoot Mode” sends a predefined message to every phone it encounters

Type: Freeware
Vendor: Blueshoot
Data Connection Required: No

Supported iDEN phones: All with Bluetooth (i335, i465, i776, i856, i885, i9)

Downloading uses paid data. Downloads are for Java ME phones only.

To download and install click here: DOWNLOAD (jad)

Alternate downloads: jarzip