Freezes my iPhone many times when playing and listening to music

Every time i run this game my iPhone freezes (if i am running music from the iOS MUSIC app , just i can hear the sound of the game is running + my music. The device restarts by it self finally , this is the 1st day playing this game and my iPhone freezes and restarted 6 times just today!! Bad coding Microsoft!!

Another thing , the game keep disconnecting every day hundred of times!! What a rubbish server , really bad server!

iPhone 6 plus

Ph. Omar about Age of Empires: Castle Siege