Mobile File Briefcase is a useful program that it can help you check/view most type of files, such as photo images, videos, audios, pdf files, MSOffice files and so on. You can classify files and managed them separately. Also files can share with your PC or your other iPhone and iPad easily. It very convenient to copy files from PC or iPhone/iPad if theyre in the same WIFI network. You can use your iPhone/iPad as a flash disk :),