600 Câu hỏi Ôn thi GPLX is an Android app developed by SmartApp Ltd, aimed at helping individuals prepare for their driver's license exam. This app provides complete exam sets with 600 theoretical sentences, which are divided into question groups based on specific topics. Additionally, there is a group of synthesized sentences to help users prepare for their exam. The app also offers various features such as sample papers, a random test, and support to save results, pause, and retake the test in case the user is unable to complete it immediately.

The app has a scientifically divided knowledge system that clearly explains the answers to each question, making it easier for users to understand the system of knowledge and get a driver's license quickly. Furthermore, the app provides statistics of the sentences users answered incorrectly, along with good tips to help them achieve better results. It also has a quick search feature for laws and penalties and a lookup for road signs.