This is an application that help you reference the kanji in Japanese which are also difficult to read and remember to native Japanese people. Features: 1, The difficult kanji or phrases are grouped as following: 1) Common. 2) Laws and regulations. 3) Nature and People. 4) Articles. 5) Plants. 6) Mammal, Reptiles and Amphibians. 7) Fishes. 8) Birds. 9) Invertebrate animals.