A study tool to memorize Japanese kanji, radicals (bushu) and primitive elements.
(Free, ad-free, no in-app purchases as this is a demo version for the Asahi Kanji app.)

Various practice drills and a stack of flashcards for the first 120 Jōyō kanji (2010 official list) and the N5 level (lowest) of the Japanese Language Proficiency Test + 56 radicals (bushu) and primitive elements.
Choice of the JLPT or Jōyō Kanji order.
Ten multiple choice drills on meanings, On-yomi (Chinese readings) and Kun-yomi (Japanese readings), radicals and elements.