Apps with 'Built-in File viewer' feature
Jumpshare is an incredibly fast, real-time file sharing app. Available for Web, Mac, Windows and iOS.
EagleFiler makes managing your information easy. It lets you archive and search mail, Web pages, PDF files, word processing documents, images, and more.
GoneMAD Music Player focuses on providing tons of features and options to allow for a personalized listening experience. With 250+ customizable options, you can listen to music the way you want to.