Descriptions : Darko is an icon pack. It is not a standalone application, you will need a third party launcher to apply it.
Darko: A dark set with shadows for depth. Use it with any dark wallpaper for a better effect of depth.
Features :
+ 3,500+ HD icons (256x256)
+ 66+ matching HD cloud wallpapers!
+ Support for launchers: Action, Adw, AdwEX, Apex, Atom, Aviate, GO, Next, Nova, Smart, Solo ...
+ 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]