>>36920118Doesn't change the fact that it has always used kana in the first place and "recently"
>>36920107 added the Kanji option. It was, mainly, a kids game at the time it was conceived, of course they wouldn't clutter the fuck out of it by adding Kanji, specially when they had no space in the cartridges.
I do think that they could try adding Furigana to help their kids learn more by playing the games, though. Kanji keeps getting forgotten, even by adults. 