OPL is an interpreted language targeted at Symbian OS phones. OPL is an entry-level development tool that enables rapid development of applications. OPL consists of phone-side code (runtime and translator) and PC-side code (translator and tools).
OPL development environment running on UIQ emulator
OPL shareware app 'SameGame' running on Series 60 phone
OPL running DemoOPL app on Nokia 9200 Communicator