Whenever I want to start second Midlet, I get error
MIDlet suite is already running.
I'm developing under Netbeans.
On Windows it work OK.
you have to choose a different phone or emulator from the project properties
while you're running the first emulator.
来源：https://stackoverflow.com/questions/4014079/how-to-start-two-j2me-midlets-on-mac-os-x-with-wtk-3-0