We'd say it's worth putting in the effort to get better with it, but we'd rather Samsung got even more granular here to let us turn off Air View in email, where it's easier to trigger and less useful, but keep it in calendar, where it's a blooming godsend. You'll be scrolling through an email and suddenly you'll see items flashing up all over the place, meaning you'll want to turn off the function. The only problem is that you'll have to get used to holding your finger further from the screen, as the screen is a sensitive little monkey. What's nice is that in the Setting menu you can choose what Air View is used for, so that means you can turn it on for emails and messages, but off for video previews and magnifying the web. While this is a useful feature, there's not a lot of point to having to hover the finger over the screen to achieve it when you can just slide your finger on the screen, which is a much easier way of doing things. Less useful are things like video scrolling, where you can flick through the video using the timeline bar without having to disturb the main action. For instance, being able to see which speed dials are assigned to which number is really useful, as otherwise you'd just have to press and find out. Samsung has imbued a number of applications with this functionality, but in truth only a few really need it. But where that device needed the S Pen to work, the S4 only needs a finger, which you hover over certain items to see inside without opening. One of the new features of the Samsung Galaxy S4 is Air View - well, it's not new per se as we've seen it on the Galaxy Note 2 already. But as it's slightly buggy and dependent on a number of factors (such as lighting conditions) we just found that after a few days it got turned off - and we fear that's the way it would stay for most for the next two years. With something like Smart Scroll it has to be flawless to be considered a useful part of life, and would have mitigated the issues we found with the actual need for it. So while it doesn't really work every time and sometimes messes up, it's cool to have - although we still have the issue of using your finger being a more useful way of scrolling around a screen. You can also decide whether to have the annoying eye icon pop up on the screen to alert you that the Smart Scroll function is working. It's cool that you can choose to either make the screen scroll using your head or tilting the screen, and then you can select the speed of the scrolling too. However, and this is a big one: because the feature isn't perfect, we can't say it's a useful way to navigate around the screen.
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