Only the current version so far — new entries appear as the app ships updates.
Boi Bondhu - বই বন্ধু is a books & reference app by Hexalgo with 1,000+ downloads (about 2.8K estimated). +11 installs in the last 7 days. Released Apr 28, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “Boi Bondhu-বই বন্ধু is the Bangladeshi Free PDF-library for Bangla book lovers.”