For a long time, testing of Java ME platforms and testing of Java ME applications were quite different areas. The developer community considered platform testing as something that exists far from them and is not applicable to their work.
It's similar to the Formula 1 auto-racing championship. A lot of major car manufacturers such as Mersedes-Benz, BMW, Renault, Toyota, Honda participate in this tournament. But you can't use a Formula 1 car in order to drive to work. It is not only the price of the car that prevents you