Drill Japanese Kanji and words. Build your vocabulary with a solid, proven system, save lots of time, and prepare for the JLPT. Learn raw kanji or use furigana and romaji. 100 Kanji helps you to concentrate on learning Japanese with a slim, no-distraction interface and still keeps track of your progress and offers five different learning modes: Practice Kanji, learn Hiragana readings, or translate English words back to Japanese.