¿What's a home replacement application?
Is an normal android application that will run when you press your android device's HOME key. It's what usually people know as the "android desktop".

¿What makes ADW different?

-It's compatible with android versions from 1.6 to 4.1!
-It's highly customizable, almost in every aspect you can think of.
-Thousands of skins and themes with support for most popular launcher themes!
-Mix and match your skins, icons, docks, folders, etc
-Configure your applications in unlimited groups and hide unwanted apps.
-Fast setup screen with fast access to add items or configure everything.
-Gestures for fast operation (swipe up/down, 2-fingers swipe up/down, pinch in/out, etc)
-Configurable Actionbar, similar to android 3.x+ tablet interface.
-Screens editor to add,remove, swap and resize your desktop screens.
-Configurable visual desktop indicators.
-Easy folder tweaking and management, content previews, arrangement, colors, etc.
-New AppWidget picker for devices running Android 4.1 and newer.
-Icons editor to create your own customized shortcuts or edit existing ones
-AppWidget resizing
-AppWidget backup/restore (only for android 4.1 and newer)
-Customizable applications dock with support for unlimited shortcuts with paginated scroll.
-Lots of settings to play with: texts, colours, animations, sizes... you should dig in!

Differences between ADW.Launcher and ADWLauncherEX:

ADWLauncherEX and ADW.Launcher share the same application core, but ADWLauncherEX includes a lot of extra features and improvements, like for example:

-10 different app drawer styles, including 3D waterfall, 3D Roll, 3D Ball, 3D Wall, 3D Cube...
-Lots of new desktop transitions: new animations while navigating through your desktop screens. Try them all, they're crazy!!!
-New icons size configuration to enjoy high quality icons from your preferred themes!
-Save custom configuration presets: Quickly configure and change the whole desktop configuration by 1 click!
-Backup and restore your configuration, easy and painless. You can even share your desktop configuration with your friends!
-More, more more to come!!