Nova Launcher Prime
There are even other launchers like Go Launcher, home launchers of Sony and Samsung uder the name Xperia home and Touchwiz home respectively. You can find these two launchers on XDA forums. These launchers create the feeling of using a new phone within your old phone.
Apps like ultimate custom widget better known as UCCW and zooper widget have ultimate customization under the hood. You may even customize your homescreen with simple, good looking and informative widgets like dashclock.
Good HD wallpaper
The first glance at your phone is always your wallpaper. We suggest it to be cool and minimalist and to avoid using bright wallpaper as they would make it hard for you to read the labels of your apps on the homescreen. Some of our favorite picks are as follows:
If you are looking for a den of original photos/wallpapers for your phone, you may look at this pretty neat and featuristic app named “Backgrounds HD Wallpapers“
The first click on your power button brings the user on the lockscreen. Haven’t you been bored of using the same lockscreen for ages?. There are many alternatives to your original android lockscreens available in the Google Playstore. Some of the lockscreens are so good that you would never like coming back to original lockscreen like the Cover Lock Screen (beta) and the AcDisplay (it has lockscreen feature inside it). Some of them create a replica of lockscreen of Samsung’s TouchWiz, Sony’s Xperia UI, LG’s UI. These lockscreens looks and feel exactly the same as of original brand UI. These replica lockscreens for each brand UI is developed by the same author named X-Andev. Below are the list of those replica UI lockscreens: