Thi Bằng Lái Xe Máy 2020 is a comprehensive app designed to help Vietnamese learners prepare for their A1, A2, A3, and A4 driving license theory tests. Developed by WATERFALL, this free app contains 200 questions for A1 licenses, 450 questions for A2 licenses, and 500 questions for A3 and A4 licenses, all updated forThe questions are based on the latest Vietnamese road and traffic regulations and cover all aspects of the theory test. The app offers various features, including randomized tests, question lists, categorized question reviews, search functions, and a list of common mistakes to help learners quickly and efficiently prepare for their driving license tests. Additionally, the app provides tips and tricks for answering theoretical questions and a complete list of road signs. The app is perfect for those who want to learn quickly and effectively and pass their driving license theory tests with confidence.