qPDF Viewer is a fast and powerful PDF reader and document search app. It is built on a proprietary PDF engine and provides fast, high fidelity rendering of even password protected files, fast PDF search, continuous page view for easy navigation, multi-touch pinch to zoom, double tap to fit to screen width, a customizable toolbar, no requirement for an SD card, and full support for the PDF standard.

URL: Android PDF Apps to view, markup, annotate PDF and fill form - Qoppa Software