Best guide for Clash Royale

For me this is the best guide for clash royale. There are three part Guide, Strategie, Video. i use it every day for checking how many ressources i need for building tower or other. the graphical are really like a supercell game and also you can use it off line. Is it completely FREE. Thank you so much for this app.

sylvayn about Best Guide for Clash Royale - Deck Builder & Tips, v1.2