I'm pretty sure it's fully necessary both to install homebrew on the home screen and to ... well, sailing
no strictly necessary for legal acquired games, but is needed even for your legal games but dumped as a backup.
also remember Syspatch adds patches for SSL, network connectivity and others.
DBI is malware so i havent included it here nor in the homebrew pack i madeNot dbi?
Is say by the programmer, he put malware code on the DBI to brick consoles if you mess with the translations!!
I wouldnt trust the russian version either
