The Mac App Store has a debug menu just like the most standard Apple applications in OS X. From this menu you can access various of other options such as deleting cookies or the quick search for updates. Close the Mac App Store app and use the following command in Terminal to enable the debug menu.
it’s possible to enable some hidden features for the ‘Twitter For Mac’ application with some Terminal commands. With the following command you can enable to type anywhere in the application to automatically start a new tweet. Close Twitter and add the following command in Terminal.