Content changeable smart phone application for navigable venues and multi-party navigational system

A content changeable system for navigable venues comprising:

• a computer memory specifically modified to store a plurality of software applications, each software application individually downloadable to a user's communication and data transfer device (“cdd”), each software application corresponding to a venue that can be physically navigated by the user, each application including a plurality of selectable icons corresponding to different content stations within the venue and at least one changeable content corresponding to one of the content stations of the venue, the changeable content selectively playable via a user's selection of the corresponding icon;
• equipment for creating or changing the changeable content;
• at least one computer server specifically programmed to:
• (i) upload the software applications to the software application storage memory;
• and
• (ii) receive information from at least one of the venues indicating that a particular changeable content corresponding to a particular content station of the at least one venue needs to be changed;
• and
• at least one computer in data communication with the computer server, the at least one computer specifically modified to accept changed content from the equipment.