I mean, if they got rid of kanji, presumably they would introduce spaces. It's not an alien concept, it was used in early computers and early computer games, and still get used in games and books aimed at kids:
(Pokemon also has a full kana mode, but due to the number of homonyms in Japanese, I think while it might be easier for actual Japanese children, even with the spaces it's harder for a Japanese learner than the kanji mode unless you're literally in your very first month. There's also things that will be obvious to natives but confusing to learners like that すげー in that screenshot is a slangy すごい)
https://www.famitsu.com/images/000/190/128/y_5e083812bfff9.j...
(Pokemon also has a full kana mode, but due to the number of homonyms in Japanese, I think while it might be easier for actual Japanese children, even with the spaces it's harder for a Japanese learner than the kanji mode unless you're literally in your very first month. There's also things that will be obvious to natives but confusing to learners like that すげー in that screenshot is a slangy すごい)