Motion JPEG video format that stores video frames using .JPG compression; used by LG cell phones to capture and store video; saved in a proprietary format that is not supported my most video playback programs.
Program(s) that open mjp files
Mac: Apple QuickTime Player with the Motion JPEG Codec Windows: MJP Player and ADP Converter (mobile01_adp_mjp.exe); MJP Converter (MJP11.rar)
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/mjp