Right now, the list of similar Kanji feels rather random.
Kanji that are not yet unlocked are mixed between Kanjis that have been already learned.
This results in big eye jumps especially on large screens, making it a bit harder to spot differences between Kanji.

Proposal
Order list to show already learned items first, then locked ones after.
I can think of 2 ways:
- check if Kanji is yet unlocked, and if not, put it at the end
- order by WaniKani-level