CamScanner - Phone PDF Creator is a free productivity app created for Android devices.

CamScanner is the world's top mobile-based document sharing and scanning app. It's been installed more than one hundred million times in over 200 countries and varying regions. More than 50,000 new accounts are registered per day. CamScanner was named one of the 50 Best Apps of 2013 by TIME magazine, and awarded the Top Developer award from the Google Play store.

CamScanner is designed to help you scan, sync, and store your contents across a number of different platforms. You can also collaborate on these same contents in real time.

Some of CamScanner's unique features include:

Mobile scanning - Using your phone or tablet's camera, you can scan notes, receipts, whiteboard discussions, invoices, certificates, business cards, and any other piece of media that you need to keep.

Optimized scan quality - You can use the auto enhancing and smart cropping features to make your graphics and text sharper.

PDF/JPEG file sharing - It's easy to share docs with JPEG or PDF formats via social media accounts, email attachments, or direct document links.

Advanced editing - You can make annotations and add customized watermarks to the documents that are made available to you.