iOS8 I can't find the iCloud Drive Icon. Where is t?

Where is the icon for this iCloud thing? I have looked and looked for it! Maybe my asumsion that it would work like Dropbox is wrong?

I am expecting that I can find an icon/app open it and see all my files like Dropbox. I am wrong, because so fare not such thing exsits,

to bad, real though this is how it would have worked.