Sổ tay Sinh Học 12 is a free Android app developed by VINSOFTS. JSC, aimed at helping high school students prepare for their national exams. The app provides a comprehensive summary of the 12th-grade Biology curriculum, making it easier for students to memorize the key concepts and prepare for the exams.

In addition to the summary, the app offers several useful features. Students can evaluate their knowledge of Biology with the app's assessment tool, which helps them identify areas they need to improve on. The app also includes an online quiz feature to help students practice and memorize the material.

Other features include the ability to take notes and bookmark important sections for later reference, as well as the option to customize the app's font and lighting settings for better readability. Students can also share content with friends and set reminders to stay on track with their studies. Overall, Sổ tay Sinh Học 12 is a useful app for high school students studying Biology and preparing for their national exams.