Wont download and won't get off my home screen – Guide for Coc-Clash of Clans --include Gems Guide,Tips Video,and Strategy-Free Edition Review

I've had this on my home screen for a while now(more then a month because I forgot it was there)..it just sits there saying waiting..and when I go into my App Store it says it's still downloading..
Review by Cookie144210 on Guide for Coc-Clash of Clans --include Gems Guide,Tips Video,and Strategy-Free Edition.