User blog comment:TheFoolisherFoolishFool/What happened to Lucas?/@comment-24128208-20140924033517/@comment-6604133-20140924050747

Well technically neither of them are SSB4. The proper title of the fourth installment is "Super Smash Bros. for Nintendo 3DS and Wii U". Since they're licensed together in the title, they can be considered the same game, despite the differences between the two versions.