SERIOUS BATTERY ISSUE!! playing this game 10 minutes can heat your phone very much doesn't matter in which device you are playing in ,and lags as well while playing. NETWORK ISSUE!! you need a very good network to play this game otherwise it will lag as hell while playing which is very irritating and annoying. MATCHES WITH COMPUTER!! When you are winning matches it matches your opponent with a computer player , which is very difficult to fight with and results in decrease of trophies and rank.