Nokia lumia 730 is the best I have ever used because as nokia is company known for tough and rough phone . phone contain long battery life than any other android phone .Lumia contain some special features like it 5 mp front camera which give high quality of selfies and back is best in this price because it is made up of carl zeiss lens and u will never find this lens any other phone of this range.
As lumia 730 is a windows phone u have self assistance cortana which u can use without internet .it provide microsoft office 360 in which u can do any office any where. There is no lag in between gaming or any other work u r do. have good look and smart interface because of tiles there are more app like xbox music, xbox games