Samsung z2 is not android mobile .is not usefulness its mobile not but its smal good in Samsung z2 quality mobile but not android its not android but small good give poket in correct balanceits not a good mobile but future is long time its camara is not good quality not sound is good not android mobile but good mobile its style is good its design is good in Samsung z2 its value of money is abot its mobile lowest price in selling Samsung z2 not like children .children like android mobiles.