A free app for Android, by Android Tools (ru).
PDF Reader & Viewer is a utility that can open, read, and view PDF files on your device. This app allows you to view PDFs on your phone or tablet.
You can also do a quick search for a file you’re looking for. It has an easy navigation that can help you get quickly familiarized with the app.
How to use it
First, you will need to install it. Then, you will need to open the file you want to view in PDF Reader. You can do that by either choosing a file from your device or choosing it from the app itself.
Once you open it, you can view it in full-screen mode or the default mode. You can also add annotations and highlight text.