For this theme , you need a custom ROM that supports CM13 Theme Engine
This theme offers a beautiful new user interface that is crisp , clean and fresh that leaves you with the feeling of a new device !
For questions / application reports being bugged or not the theme , please report to my Google Plus or Community XDA discussion before giving a bad rating .
+ Theme engine
backup + titanium
+ WiFi Password Recovery [D]
+ XDA Labs
For More Info Google Play