Users can also sign forms through e-signing by using their touchscreen. Moreover, it has a separate section with Dropbox support. Also, you can create an Adobe Document Cloud account from within the app and store files online. The pro version is available as an in-app purchase which unlocks premium features. You can annotate your documents, highlight and underline text, add signature, arrows, circles, delete or rotate pages, etc. The app features a multi-tab document viewer, full-screen mode, bookmarks, a night mode for reading in low-light, and you can even set screen sleep mode. It is lightweight and has only a few android pdf viewer features. However, it works reasonably well. It works quite well as an ebook reader too. android pdf viewer Moreover, it has a lot of customizable options. You can change the interface style, customize the gesture shortcuts, adjust the format, etc. Also, there is Night Mode to give minimum stress to your eyes. While opening any file, you can select it from three different reading modes. You can also view presentations, comics, and sheet music. It includes multi-tab document viewing, text-to-speech support, night mode, favorites, bookmarks, etc. All the features are available in the free version itself, and it is ad-supported. The app has full-screen support, night mode, search support, bookmarks, page splitting, etc. You can enable it to auto-crop margins to maximize the content area. The app is pretty basic but has a clean user-interface. Share your reviews in the comments below.