With Parricus you manage elements by a simple drag and drop.
You manage 3 "trees-collection": one Park, associated models and trash,
With a simple Drag and Drop you exchange items in a tree-collection to another,
Copy and Paste are also available on the right button,
The flying window capture moves from a simple slip,
The search module is very accurate,
The alert system is very affordable.
This software exists on Android Tablet too.
With Parricus A on Android (format tablet) the system is identical.