
A custom launcher on your Chromecast with Google TV will allow you customise exactly what you see on the home screen. You can also change the wallpaper, add widgets and more!
Steps
Firstly we need to enable the option to install from unknown sources
Click Settings

Click System

Click About

Click Android TV OS build 7 times until you see a message that Developer Options have been enabled

Go back up and open Developer Options

Ensure that USB Debugging is enabled

Go back up until you see the Apps menu item, click that

Click Security & Restrictions

Push the right arrow to move to the right side of the screen where apps are located

Turn on unknown sources for the Downloader app

Software Needed
Wolf Launcher for Chromecast Google TV
Remote ADB Shell (Only needed for widgets)
Install TDUK CCGTV Launcher manager and Wolf Launcher from the above links.
Open the Launcher Manager

Notice the Active Launcher is LauncherX which is the stock Launcher
Click on Disable Stock Launcher

You will then see

Click on Always allow and then Allow
We can see the Active Launcher now says Wolf

Press the home key
You will now see the Wolf launcher.

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.gtvlauncher --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
Open up Launcher Manager and select “Enable Stock Launcher”

Press the home key and you will see
