explicitly states its goal is to allow users to read the books they have legally purchased on non-standard platforms, such as e-ink tablets that do not support the official Google Play Books app. By converting "Original Pages" (which Google may arbitrarily deem too large to download) into standard PDF or EPUB formats, these developers provide a service that official platforms sometimes lack. The Legal and Ethical Paradox devnoname120/google-play-book-downloader - GitHub