Fast Scanner App - PDF Scanner is a free and very easy to use document scanner app for Android phones and tablets. This app is designed to scan all types of documents, from paper, books, PDFs, ID cards, business cards, etc. You can even use it to scan and create your own custom documents.

It's very easy to use and has a simple user interface. All you need to do is install this app, run it, and start scanning. You can use it as a PDF converter as well. You can also use it to create PDFs from your scanned documents.

The app will automatically recognize all the different types of documents you have and will also give you the option to save them in a PDF or JPEG format.