This is not a stand alone app. Theme require Kustom Live Wallpaper Maker PRO application ( not free version of this app)

What you need:

✔ Kustom (KLWP) PRO
✔ Compatible launcher that ed by KLWP (Nova launcher is recommended)

How to install:

✔ Cards Theme and KLWP PRO application
✔ Open your KLWP app, choose menu icon on top left, then load preset
✔ Find and tap on the Cards Theme
✔ Hit SAVE button on the top right


Instructions:

In the Nova launcher settings you need:
✔ select 3 screen
✔ set wallpaper scrolling
✔ hide dock
✔ hide status bar

In the KLWP settings you need:
✔ select 3 screens


Please me with any questions/issues before leaving a negative rating.