This will be the shortest tutorial I think I will deliver on here. Its simple create the following folders and copy and paste the XML file from the folder called layout to the two new folders:
You can then open the XML from each folder and alter them as you wish. This is a great way to be able to create a multi-screen app because you can introduce size specific functionality. Though it is a bit annoying having to duplicate every activity you create because if you change something in one activity that needs to be reflected in all of them you have to edit them one by one. If I am wrong by all means comment below you will be helping me and whoever reads this.
Live long and prosper.