FHX COC is best app for you game COC, what you can read on this app? Main features of this guide: Troops info. Building info. Layouts and map designs. Tips and tactics. Troop and building resources calculator. Elixir units. Dark elixir units. Creation time. This apps help you to generate certain amount of elixir, gold or dark elixir. So that you can upgrade building or filling out your storage quickly.