ビノバ 国語-小学生4年生- 漢字や俳句をドリルで勉強 is an educational app developed by funspire Inc. for Android devices. It is a definitive app for fourth-grade Japanese language students, covering all the topics that students are required to learn at this level. The app is designed to help students review and learn new lessons at their own pace. The app's interface is user-friendly and enables students to select units according to their learning progress.

The app contains a total of 700 questions that are arranged in a way that students can learn new concepts and review learned content without getting bored. The app covers all the kanji that fourth-grade students are required to learn and is arranged according to the order in which different publishers present the topics. The app also features a monster collection game that is designed to motivate students to learn and keep practicing. The app is distributed under the Apache License, Version 2.0.