Long press on the background till you get a screen that looks like below
Then just drag a folder widget onto the screen.
Once you have an icon named folder you can just click on it and it will open, on the top left you can select edit.
This will allow you to change the sort order also rename it example Menu or whatever you want.
Simply drag the Folder icon into your bottom tray
and you are ready to drag and drop apps from your screens into it
Then all you need to do is tap on it to get your new App menu, with all the applications you draged into it.