Ubiquitous Player is a comprehensive multimedia player, internet browser, graphic viewer, file explorer and text processor.

It allows:
to watch video files
to listen to your mp3, flac, ape, aac, ogg files and CD music (including playback from folders)
to view images (with slideshow, fullscreen and stuff)
to edit your texts and use notes
to make simple HTML pages (with tags highlighting)
to rename/copy/move/navigate your files (file manager)
to use built-in web browser (with tabs)
to manage your Internet favorites (fast and simple)
to take screenshots (of full screen or active window)
to use your gamepad as mouse
to use virtual keyboard
to use magnifying glass
to play some games

Ubiquitous Player supports such types of files (and some more):
Audio files: mp3, ogg, flac, ape, aac, mp4, wma, wav, aif + module files: mod, xm,
it, s3m, mtm
Video files: mpg, wmv, asf, avi (with codecs installed)
Image files: jpg, png, gif, bmb, tiff, ico, wmf, emf
Text files: txt, rtf, html, mht

It doesn't need installation and can be used from your USB, too (100% portable).