GAME EMULATORS - Advanced Launcher

[mocarela]

Software
XBian version: 1.0 (knockout)
XBMC/Kodi version: 16.1 Git:2016-05-28-6f8e95d
Overclock settings: none

Hardware
Device type and model: Raspberry Pi 2 Model B
SD card size and make/type: 8GB Class 10
Network: Ethernet
Connected devices: TV

Problem description:
I'm trying to add game emulators in Xbian and somehow managed to basically make it work from the console by running commands as root (sudo).

How can I run commands as root in Advanced Launcher? ... either the main script or at least some specific commands within it.