Descriptions : Darko is an icon pack. It is not a standalone application. You will need a third party launcher to apply them.
Features :
+ 3,400+ HD icons (256 x 256)
+ 40+ matching HD cloud wallpapers!
+ Symbol masking for non-thematic symbols
+ Dynamic calendar (for Nova Launcher)
+ Alternative symbols to choose from
+ Updates.
Required Android Versions : Jelly Bean [4.1–4.3.1] - KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]