1. sudo git clone –depth=1 https://github.com/RetroPie/RetroPie-Setup.git
2. cd RetroPie-Setup
3. sudo nano retropie_packages.sh
4. Add this line __platform=rpi3
5. sudo ./retropie_setup.sh Auto Start RetroPie

1. sudo nano /etc/xdg/lxsession/LXDE-pi/autostart
2. Add this – lxterminal -e /usr/bin/emulationstation