This is not a stand alone app, widgets require KWGT PRO application.
What you need:
KWGT PRO App
Custom launcher like a Nova launcher
How to install:
Download KWGT and KWGT PRO application
Long tap on your homescreen and choose Widget
Choose KWGT Widget
Tap on the widget and choose installed Art Widgets KWGT.
Choose widget which you like.
If the widget is not right sized use the scaling in the KWGT option to apply correctly size.
Please contact me with any questions before leaving a negative rating.