"This application requires a server application for Macintosh computer. Please download the application "AppSpy" in the Mac app store. Use the registration number found on the server to use this app."
Application to calculate the time spent by the application for use of Mac OSX. Use this app to find out how productive you are in front of the computer.
If you are a programmer, then the time that you use the Xcode application will certainly use more than the game.