Home Screen Switcher is an app that enable you to switch home screen like a boss. First, you need to set Home Screen Switcher as default home. After that, you will get features of Home Screen Switcher.
You can switch home screen quickly by opening app chooser via notification or widget / shortcut.
You can set not only launcher app but also any installed app as home screen. So, you can make your favourite app launch when you press home button.
If you have multiple launcher app installed, you can shuffle between them. So, when you press home button, it will go to one of your launcher app randomly.