10000 Bài Văn Mẫu is a free educational and reference app created by DTL Group for Android devices. It is the largest online collection of Vietnamese essay samples, containing a vast array of well-written compositions by top-performing students from across the nation. The app is designed to help students and parents alike to find high-quality essay samples for academic purposes.

The app features a comprehensive collection of essay samples, covering all levels of education from primary to high school. It also includes a complete set of essay writing guidelines, following the latest official curriculum of Vietnamese language and literature. With a fast and easy-to-use search function, users can quickly find the essay samples they need for their assignments. The app also allows users to customize font size and color for better readability, and to save their favorite essays for future reference.