Software Needed (1 to 3 are required, the rest only needed if you want a custom background/Widgets)
- FTVLaunchX (All credit to Erik)
- FTVLaunchX Helper
- Choose A Launcher:
- Choose a wallpaper
- X-Plore (A great file manager and also needed if you want to rename you downloaded files
- Remote ADB Shell (To give ADB permissions for widgets)
Steps
Ensure you have enabled ADB on your device
Firstly lets enable the developer options by going to Settings > About SHIELD, scroll to the bottom and tap Build Number several times

Once you see the following message:

Press back on the remote and open the developer options

Open Developer options and ensure that Network ADB debugging is enabled:

Install the all the applications from above and then go to your apps library

Open the TDUK-LaunchX-Helper application and you will see:

After a few seconds you will see, click OK

After a few seconds you will see

You can new select a launcher. In my example, I am using Wolf Launcher

Press the home key

You will now see the Wolf launcher.
If you want to change the background, open up the launcher settings

Select Wallpaper

Enable the first option

Click on Select Wallpaper
Allow the permissions

Click on Internal Storage

Open the downloader folder

Any picture you downloaded via Downloader will be in here. You can select that and your background will change

How to enable widgets
Use Remote ADB shell on your device to make a connection.
once connected enter in the following command
appwidget grantbind --package com.wolf.firelauncher --user 0
You can now install some applications (Weather / clock etc) that support widgets. The one used in my video is from Aptoide TV:

This will give a result like:

How to go back to default launcher
Go to your apps library and find the LaunchX

Click Uninstall

Select Uninstall
You will still see the custom launcher until you press the home key
