This application, like any icon pack, is not a standalone application, because to use it you need an extra launcher such as nova launcher or smart launcher.
Open the Cirgus UI application and inside it go to the menu that is in the upper left.
-Select set or apply.
-The list of all the supported launchers and those installed in the first place will appear.
-Select the one of your preference and press accept.
-You do not have any installed launcher just select it and it will take you to the download link of it.
-Your icon pack is ready.
-4000+ Custom icons.
-85 Custom wallpapers.
-Intelligent request of icons via email.
-Application easy and simple.
-Support for the following launchers:
Nova launcher, Smart Launcher, Abc launcher, Action Launcher, ADW Launcher, Apex, Launcher, Aviate Launcher, CM Themes, Evie Launcher, Go launcher, Holo Launcher, Holo Pro, Lucid Launcher, M Launcher, Mini Launcher, Next Launcher, Nougat Launcher, Solo Launcher, V Launcher, ZenUI Launcher, Zero Launcher and more.
-It is not compatible with the default launcher of your samsung or huawei phone.
-Support limited in launcher go launcher because it does not support masking icons.
-This package of icons uses the CandyBar board.
-Interface Graphic in several languages.
-Make your requests and you will receive an immediate response.