Target 4D is a Cinema 4D tool plug-in. You can find it in application menu Plugins > Target 4D.
Select any object in Object Manager and pick up target surface in the scene. Use Target 4D Tool Settings to adjust options.
Press About button to find more information about plug-in registration and tutorials.
Due to the Cinema 4D Python API limitations there is a little difference of the display information about selected objects. Using Cinema 4D R18 und higher you'll see selected objects info under cursor, using earlear versions in status bar.