This is not a stand alone app. Flamingo widgets require KWGT PRO application ( not free version of this app)
What you need:
✔ KWGT PRO App KWGT https://play.google.com/store/apps/details?id=org.kustom.widget Pro key https://play.google.com/store/apps/details?id=org.kustom.widget.pro
✔ Custom launcher like a Nova launcher (Recommended)
How to install:
✔ Download Flamingo and KWGT PRO application ✔ Long tap on your homescreen and choose Widget ✔ Choose KWGT Widget ✔ Tap on the widget and choose installed Flamingo ✔ Choose widget which you like. ✔ Enjoy!