This app is for JLPT N4 level.
Each category consists of some dialog and JLPT N4 grammar lecture and each JLPT N4 question has 4 multiple choice answers.
You may rise your score before the language examination using this application.
There are JLPT N4 dialog, grammar,word lessons( with audio) and app test as well.
Each test has 4 multiple choice answers. as well as an actual examination.