A free app for Android, by ViewAI Lab.

PDF Document Reader is the fastest and safest mobile reader app in the google play store. With this app, you can view PDF documents without an internet connection. You will be able to rotate, bookmark or add annotations to your PDF file. The search feature makes it easier for you to find what you are looking for by searching the text inside a document. Please note that this app only works for PDF and Word documents and does not currently support other formats. This fast PDF reader application is designed to provide you with the best reading experience for your eBooks. It features a distraction-free interface.