File Manager File Explorer - File Manager File Explorer is a fully-featured file explorer and app manager to help with file transfer and accessing files and documents.
Wondershare PDFelement - All-in-one PDF editor
Solid Explorer - Solid Explorer is a powerful Android file manager featuring access to most popular cloud storages, root access and easy extensibility.
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
File Commander – File Manager/Explorer - File Commander – File Manager/Explorer is a world’s leading and powerful file manager that lets you handle any file on your Android device, cloud storage or network location via the clean and intuitive interface.
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.