Output from the Simulator will appear on standard output. If you don't want the Simulator Console window to automatically appear use the -no-console option: '/Applications/Corona/Corona Simulator.app/Contents/MacOS/Corona Simulator' -no-console YES Optionally -project can be specified (note that this suppresses any error messages if the directory is invalid).
If the specified directory doesn't contain a a file, an error is displayed. To start a particular app in the Solar2D Simulator without double-clicking it, use a command like this: '/Applications/Corona/Corona Simulator.app/Contents/MacOS/Corona Simulator' ~/CoronaApps/MyApp
