What possibilities does the Nokia 7650 offer for developers?

What possibilities does the Nokia 7650 offer for developers?

Developers can create Bluetooth applications that run on the Nokia 7650 and use the versatility of the Symbian platform. Third-party applications can be designed to work between two or more Nokia 7650 phones or between a Nokia 7650 phone and other Bluetooth devices. Applications can be created using the Nokia Series 60 SDK for Symbian OS.