*Following the order of this is very important or it will not work.

First create two different pages, one for desktop, one for mobile.

Set your desktop home page:

1. First create your desktop home page under Manage Pages & Galleries > Add Page.
2. Edit the page > Page Settings > This page is visible: Desktop Only.
3. Then set This page is the first to appear when website loads: Yes and click Update below

Set  your mobile home page:

1. First create your desktop home page under Manage Pages & Galleries > Add Page.
2. Edit the page > Page Settings > This page is visible: Mobile Only.
3. Then set This page is the first to appear when website loads: Yes and click Update below