Baitap12BG is a learning app for students in the province of Vietnam, specifically for those in grades 1 and 2. The app provides learning materials as weekend exercises of three subjects: Math, Vietnamese, and English. These materials are developed and researched by the Bac Giang Department of Education and Training.

The app consists of a series of lessons and exercises. Each lesson lasts for several minutes and each exercise has multiple options for students to choose from. Students can also use this app to practice what they have learned in class.