Even though the Captivate Glide features the same 1GHz dual-core processor and 1GB of RAM as the Atrix 4G, a device known for disappointing interface performance, Samsung clearly put a lot of effort into create a smooth experience.
Running Android 2.3 Gingerbread (and hopefully to see an update to Ice Cream Sandwich in the future), the Glide's TouchWiz custom UI is amazingly smooth, even when the home screen is crammed full of widgets.
The lock screen is similar to all of the Galaxy S devices you may have seen before, but has been updated with a few visual enhancements, such as new notification graphics – no more puzzle pieces.
The home screen is very customizable. Not only can you add widgets (as with any Android device), but you can add and remove screens as well. You can have anywhere from one to seven screens.
Pinching the home screen brings up the option to add or remove screens as well as change their order. Each page has a 4x4 grid on which to add widgets.
Across the bottom are four static icons: Phone, Messaging, Web, and Applications. We do wish it were possible to customize these four icons, or at least a couple of them.
While you can't reshape and icons or widgets, the Captivate Glide does have an interesting feature that allows the home screen to witch to a landscape view (instead of the usual portrait view) when the keyboard is out.
TouchWiz also offers a few small additions over the stock Android interface, such as the ability to customize the App Drawer. You can change the order your apps are listed as well as add folders and new pages.