Lakka (Retro game emulation distribution)

# download and create installation usb disc
URL=http://mirror.lakka.tv/nightly/Generic.x86_64/Lakka-Generic.x86_64-devel-20161221183017-r21729-g274b40f.img.gz
DEV=/dev/sdb
wget ${URL} -q -O - | gunzip | sudo dd of=${DEV}

# gamepad
http://www.lakka.tv/doc/Input-settings/
http://www.lakka.tv/doc/Contributing-your-joypad-config/

# links
http://www.lakka.tv/get/linux/generic/
https://www.loveroms.com/
http://html5gamepad.com/ - HTML5 Gamepad Tester