DandroidMobile has developed a great android app named MaxiPDF PDF editor & builder. This app is the best one to work with PDF files. It allows you to create, edit, view and annotate PDF files .
MaxiPDF main features are:
– Creation; to create any PDF file from a basic template.
– Edit; to create/modify/delete text, images and vector drawing objects like curves, lines, paths.
– View; to navigate/open the PDF files. The navigation options include pages, outlines or objects.
– Annotate; to create/add and save comments directly inside the file.
– Compatibility with any PDF file.
– Free software.
This app is available in the Google Play Store