Right-click the project node and choose Properties.
You can use the
same settings as the default configuration, or you can add MIDlets, libraries,
and other resource files, define push registry entries and API permissions,
and create settings for obfuscation and security.
Add Preprocessor Code Blocks
You can right-click in the code and choose preprocessor
blocks to add in blocks of code customized for a specific configuration.
Run Configurations
Right-click the project node and chose Run.
Activate a different configuration by right-clicking the project
node and choosing Set Active Project Configuration. Then choose
a different configuration and run the project again. You can also change
the configuration
of the Main Project with the Configuration combo box in the main toolbar.