First download the free app "cocoppa"
when on the app at the bottom there is a search bar, search the app you want to customise
It will then show you a long list of different options
touch the one you like and then press "set up link"
Go to app search
Name your icon then click ok
Next you just follow the steps
Look there's your app in the middle! click it
And there it is along with some others I have done, easy! on the same app you will also find great wallpapers. don't forget DON'T DELETE THE ORIGINAL APP. Thank you please follow xo