Reason for recommendation: The latest version of the Kaoba Scrolling Question Treasure app is a crazy question scanning software for junior high school students. It has a practice question bank for many subjects, such as language, number, physics, chemistry, life, politics, geography, etc., which enables online question scanning at any time and anywhere, maintains the feel of question scanning, covers different learning stages, such as primary school, junior high school, and high school, and provides targeted education services.