If you have already used the android phone and now get bored for further use, the you should replace your smart phone and get the launcher. This launcher has the UI in better condition and it is according to your like and taste.
The launchers are the apps, which can amend the home UI of your smart phone with Android handset. These apps are available in the android devices to change the animations, icons, hide apps, app drawer settings, 3D effects, sliding of wallpaper, add other home screens when you are looking at the transition effects and themes.
There are some other home replacements or the good launchers, which are present in the Google Play.
Launcher 8 Android Smartphone Apps
Splay Launcher Android Smartphone Apps
Next Launcher 3D Android Smartphone Apps
Smart Launcher Android Smartphone Apps
Vire Launcher Android Smartphone Apps
Go Launcher Ex Android Smartphone Apps
Nova Launcher Android Smartphone Apps