How can I get the look and feel of Sony's Android on my HTC The same Android version often looks different on phones from different manufacturers.
For instance, Android GingerBread that runs on my HTC Explorer looks like this: 



The same Android on the Sony Xperia U looks quite different, as seen here:



Is there any way I can get the look and feel of Sony's version of Android on my HTC? Any skin pack/transformation pack/hack/firmware replacement that might enable this?

(In a general sense, how can I customize the look and feel of my Android device to look more like that of another manufacturer?)
To change the home screens, you need to install a new Launcher application - search the Play Store for Launcher and see what is available.