@GuilhermePinto15 said in Permission:

In another words an email or file that says that i can use retropie to the project named"PAP - ArcadeDeck"

RetroPie - the setup scripts - is released under the GNU Public License (GPL), as mentioned in https://retropie.org.uk/about/legal/. You'll not get an email or file as you desire, but you can point your teacher to the Legal page and mention the GPL, which is a permissive usage license.

Note that this doesn't cover any games that you may have installed, which have their own license and usage terms.

@mitu yes, each controller works if it's individually pluged

This mean the configuration for the controller is not saved.
Please add some info about your setup, as detailed in https://retropie.org.uk/forum/topic/3/read-this-first.

@SapphireAdams This site has a lot of gaming gurus : https://www.reddit.com/r/tipofmyjoystick/

@mitu

Thx for the feedback. Good to know for the next time.