App can be launched under App Store Menu - refer screenshot App menu.

First, you need to create an external file (.ucf) through the Manager window where the object data will be stored. Then create a new object type and set it with the parameters you wish by linking spinner controls to groups of vertices and assign them an action type (Move, Scale or Rotate). Once it's done, from the main window, load the setted object and customize it.

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

You may need to restart the Autodesk product to activate the app/plug-in.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10) and uninstall as you would any other application from your system.

The graphical lines at the moment to configure a group sometimes don't work properly, however, this issue doesn't prevent the good functioning of the script.