The quickest way to do this is create a new deck called Core Japanese Vocabulary::JLPT N1::JLPT N2::JLPT N3::JLPT N4::JLPT N5. The "::" in Anki means subdeck. Within Anki you should have a card type ...
Wallpapers set with one kanji per image (.png) sorted by JLPT level (N5 to N3 = 744 kanji so far). The idea behind this wallpaper set is to set your wallpaper to change every day (or whatever time ...