LaunchAppPlugin is a simple contextual menu that lets you launch an application in one of its languages
Copy the plugin into one of these folders (create the folder if it does not exist already):
(1) ~/Library/Contextual Menu Items/
(2) /Library/Contextual Menu Items/
Quit the Finder or logout and login again to activate this plugin in the Finder. Right-click on any application and you will see an item starting with "Launch...".