Vidyavahini Bihar is an official app developed by ABDIEL SOLUTIONS for the Bihar Government. It is designed to help students in Bihar to study on their mobile devices. The app provides access to Bihar Board Books for classes 1-12, making it a valuable resource for students of all ages.

The app is easy to use and provides a simple interface for students to access their textbooks. The platform is exclusive to Android devices and is available for free. It is an excellent tool for students who want to study on-the-go or need access to their textbooks while away from their physical copies.