Thi thử bằng lái xe a1 is a full version Android app developed by Kiti Team, designed to help users prepare for their A1 driving test. The app features an exam review section with 200 latest A1 theory and 400 A2 theory sentences, including paralysis questions used for the A1 and A2 driving test. The app also includes 200 latest questions updated from Directorate for Roads - Ministry of Transport issued from, grouped into sections to make exam review easier. Users can answer and save their results after reviewing.

In addition to the exam review feature, Thi thử bằng lái xe a1 also offers a demo test feature, providing default test sets to help users experience the mock exam easily. Users can create more themes to keep up with the latest exam trends. The app supports saving results, suspending, and retaking the test in cases where users cannot complete the exam immediately. The app also provides high results exam tips, including theory and practice, and detailed instruction videos. Lastly, users can look up road signs and traffic laws, helping them to have knowledge of road traffic safety laws and providing full information about current violation handling, helping them better understand violations and penalties in traffic.