Play the Japanese 3DS version while using mobile translation apps (like Google Lens) for menus and cutscenes. Follow Walkthroughs: GameFAQs guides
Since "Endou Mamoru Densetsu" was originally a Japan-only release for the Nintendo 3DS, most English posts you see regarding this specific collection are referring to either the fan translation patch or the fact that the original DS games (IE1, IE2, IE3) were localized separately. I have written the posts assuming you are playing via the translated collection. i--- Inazuma Eleven 1-2-3 Endou Mamoru Densetsu English
Players follow Endou’s journey from a struggling club captain at Raimon Junior High to the global stage of the Football Frontier International (FFI). Is There an Official English Version? Play the Japanese 3DS version while using mobile
"Get Ready for Action! Inazuma Eleven 1-2-3 Endou Mamoru Densetsu Comes to English" Players follow Endou’s journey from a struggling club
The patch is a modification tool, not a pirated ROM. Applying the patch to a ROM you downloaded illegally is piracy, and this paper does not support that.
"This is for the fans who grew up with the anime but never got to play the complete Densetsu. The soccer that breaks the heavens now speaks your language. Kick off."