ビノバ 国語-小学生6年生- 漢字や文法をドリルで勉強 is a free education and reference app developed by funspire Inc. for the Android platform. This app is designed to help Japanese elementary school students in their language studies. The app covers all the kanji and grammar taught in the 6th grade, and the questions are divided into different units according to the textbooks of major publishing companies.

The app contains a total of 700 questions and allows students to choose the units they want to study. The questions are presented in a multiple-choice format, and the app includes a monster collection feature that encourages students to keep learning. With this app, students can review their lessons quickly and effectively, making it an ideal substitute for traditional problem sets or drills. The app is available for free download and is a great tool for students looking to improve their Japanese language skills.