Sav PDF Viewer (listed on Google Play as "Sav PDF Viewer Pro") is a lightweight, open-source PDF reader for Android that needs no permissions, shows no ads and collects no data. It reopens each file where you left off and supports bookmarks, text search and selection, password-protected PDFs (including AES-256), night mode, links inside documents, printing and sharing. It is available on Google Play, IzzyOnDroid and GitHub, and is translated into many languages via Crowdin.