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
10) Borrowed words
...
2, Can be searched by kanji or kana in the searching screen.

3, Touch the kanji on the result screen, a web search will be performed automatically.