Vinyard

Hi, welcome to the forums!
It seems you got a temporary ban. These kind of bans can't/should not be appealed. Wait it out and in less than 24 hours you will be automatically unbanned and therefore you will be able to play again as long as you don't run the spoofer again.
I would highly advise you to completely remove the spoofer and never touch one again. The fact you got temporary banned this time does not mean you will not face harsher punishments (up to a permanent ban, which by now is most likely) the next time you toy with such programs.

Hi, welcome to the forums!
It seems you got a temporary ban. These kind of bans can't/should not be appealed. Wait it out and in 5 days from the moment you got temporary banned you will be automatically unbanned and therefore you will be able to play again as long as you don't perform the same actions that got you in this situation in the first place.
You can find plenty of information about each violation mentioned within your ban reason by reading the following topic:
 

Hi, welcome to the forums!
You have to tell your friend to create his own forum account and post a Ban Appeal. In his topic, please let him know that he needs to provide, along any other relevant information about the incident, his serial, which can be retrieved by opening up MTA, pressing console key (F8 by default) and typing 'serial' (without any quotes).