Install Pi-hole Ad Detection Display on your rPi.

1. Get your touchscreen display working.
2. Open raspi-config and set Boot Options -> DeskTop / CLI to Console Autologin.
3. Download PADD and make executable:
   cd ~
wget -N https://raw.githubusercontent.com/jpmck/PADD/master/padd.sh
sudo chmod +x padd.sh
4. Start PADD with ./padd.sh
5. Exit with CTRL-C

Links:

learn.adafruit.com github.com/jpmck/PADD