The key trick
The S4 has plenty of other features I could dismiss.
Some might like the camera's ability to erase a stray individual out of photos or to combine several images of motion into a single shot.
But I'm a purist, and I'm not a fan of manipulating images.
And the feature for using the phone as a TV remote control? That's what remote controls are for.
The S4 might be for you if you like having lots of features and don't mind spending time customizing it.
I myself don't like to spend time doing that, and many people never change the default settings.
I've been using the S III as my main phone since July, and I've rarely found a need to reach into its bag of tricks. I simply want a phone that is easy to use.
The S4 can be that, but first you must figure out how to hide all its gimmicks.