Mobile Technologies, Applications and Software Design All here Mobile Application by Harbin Institute of Technology, Shenzhen All Here is an online virtual social platform designed to help users maintain close relationships over long distances. It creates an experiential social atmosphere for users through user avatars and virtual rooms for friends. The application is based on "6 Strategies of Mediating Intimate Relationships ", which constitute interaction logic around emotional expression, gesture interaction, common tasks, and interactive memories. All Here provides a new solution for maintaining long-distance intimacy under epidemic, and at the same time provides new design ideas for mobile social design.