It includes words, kanji, sentences examples (from Denshi jisho.org). You can also find word of the day and kanji a day (with 4 levels) sections.
The dictionaries are also interlinked so that you can check what the kanji in a word mean individually or what context a word can be used in. You can also look up kanji by the parts they contain.
WARNING: It requires that your phone has support for Japanese fonts, so it might not work for everyone.