The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Geoffrey Andrew:
**Don't jailbreak your device! If you mess with iOS, it may cause the app to crash or not updateFor all League of Legends fans, here is an unofficial companion app that will tell you everything you need to know about your favourite champions.View skins full screen or check the details on an ability. See how a champion's stats change as they level up. You can even view how much potential burst damage a champion has each level.All this for free! And updated soon after Riot pushes a new patch live.*Internet Connection is required for more recent data.If you have any trouble with this app, I'll be glad to help. Just email me at email@example.com.