It depends on if the features of the phone fit how you use them. There is no point in purchasing a phone filled with different applications that you will not ever use.
Yes, there is a camera on this phone.. it actually isn't a bad phone at all either. Samsung is a great brand for any electronics that you buy and they hold to their standards
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I don't understand the question entirely, but after a quick search, most of the reviews seems pretty favorable. Check out Amazon or Samsung's official website.