I've had a Galaxy phone before, and I wasn't a huge fan of it. Then I saw the commercial for this phone and I think that it's the coolest phone that I've seen made by Samsung. I had the Galaxy s3 and I felt like there was a lot of problems with the phone and that there wasn't any cool features that really came with the phone. Is this phone completely different from the Galaxy s3? What are some of the cool features that the phone has? I saw how you can see notifications on the side of the phone, which I thought was pretty cool. Overall, is it the best phone that they have made?