PocketBook - PDF, EPUB reader is a free eReader for Android that is free to download and use and has zero in app purchases.
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Pro Beautiful user interface
Pocketbook is a very nicely designed eBook reader for Android that has a simple and intuitive interface.
Pro Lock screen orientation
The app allows for users to lock the screen orientation of the device in order to prevent the screen from switching while in the middle of reading. This is very helpful for those that read in bed and change positions a lot.
Pro Works with Adobe DRM on .epubs and .pdf
PocketBook is compatable with e.pub and .pdf Adobe DRM files.
Pocketbook is a completely free eReader with zero in app purchases.
Pro Crop page margins for pdf books
PocketBook allows manually or automatically cropping page margins to better fit text on screen.
Pocketbook is still a bit buggy, where it sometimes does not open books or just opens to a blank screen.