From the developer: "Joiner is application intended for joining of multimedia files. The program possesses simple operation, smooth design, all in style of a PDA (palm pilot). Joiner enables the joining of audio (mp3), video (mpeg) and real media (rm) files while the output quality is determined by function "compatibility status". You can add arbitrary number of files in "Join List" and in sequence you require. The options available allow you to select a default save folder, default file type, multimedia files playback and sending of joint files list by e-mail to your friends directly from Joiner."