Ôn thi GPLX A1 A2 A3 A4 Bộ is an Android application designed by TBSoft Company that provides a comprehensive and scientific approach to preparing for the theoretical part of the GPLX driving license exam. The app includes a complete set of 600 theoretical questions (200 for GPLX A1, 450 for GPLX A2, and 500 for GPLX A3 and A4) that are updated to comply with the new regulations that have been in effect since August 1, 2020. The questions are categorized by clear and specific topics, including concepts and rules, road signs, driving techniques, vehicle construction and repair, and cultural and ethical driving. The app also includes a list of all the road signs that appear in the question set, detailed answers and hints for each question, and the ability to create random tests based on the actual exam structure. Furthermore, the app can help users review questions they have answered incorrectly, and provides practical driving experience and tips to help users prepare for the exam. Overall, Ôn thi GPLX A1 A2 A3 A4 Bộ is an essential tool for anyone preparing for the GPLX driving license exam, offering a reliable and effective way to increase their knowledge and confidence.