Though the name says lite it is a pro PDF viewer in many ways. Compared to other PDF viewers, PDF Viewer Lite is distinguishable as it is - Low Ram Usage : You can pin it to recent apps and use your phone normally. It won't consume your RAM much. - Small in size : you can't find a pdf viewer which is smaller than this with these capabilities. Other apps will usually be 10 times bigger and 5 times memory consuming. - Scrolls PDF smoothly ( like butter ) - Ads free : unlike many other apps you won't be bombarded with ads. - open sourced. No bloatware - Now you can do many pdf operations on PDF. - Compressing PDF - Set Password to PDF - Remove Password from PDF - Delete pages from PDF - Convert Images to PDF - Merge Multiple PDFs Many more to come soon.. Please share your suggestions or bug reports with [email protected]