틈틈수능-생활과윤리 (기출문제+해설,사탐 잠금화면공부)

틈틈수능-생활과윤리 is a free Chrome extension designed to help students study Life and Ethics (사회탐구 - 생활과 윤리) effortlessly by displaying SAT-level questions and clear explanations right on the lock screen. It supports a range of subjects including Korean History, Social Culture, and Geography with up-to-date past exam questions, allowing learners to study automatically every time they unlock their phone.

Key features include automatic problem display on the lock screen, comprehensive and constantly updated past questions, a wrong answer note system to track and review mistakes, bookmarking of questions for revisiting, and concise, sincere explanations to maximize study efficiency. The extension stores problem images locally for smooth performance without excessive data use, making it an essential tool for students aiming to maximize their study time with convenient and focused learning.