Hayawaza Kanji - Version 1.4.0 Learn 1900+ Japanese Kanji. You can do it, with Hayawaza Kanji. You can learn more Kanji and more vocabulary per hour and you will type and skip your way through mountains of material while HK keeps track of your progress, sorts the lists, and keeps coming back with words that need your attention. Choose your skill level and off you go. Hayawaza Kanji runs out of the box. One download and you are done. Start learning immediately and make the most out of this day.