PDF Reader is a Great app for reading PDF files. Supports most ebook formats, as well as a very simple and easy to use. This application is one of the best in its category. You can search through the pages and leave a bookmark so that important material will never disappear. Very convenient if you are reading something and need to highlight certain points. Has several light modes and color sets. You can change them depending on the time of day that wouldn't be too hard to load eyes. Supports dictionaries, as well as animation of flipping pages, which is also very beautiful.