Hoodere is a social platform designed to help users address common problems in making casual plans with friends. It allows users to see who will be at a certain place in the future, easily organize plans with friends through a cleaner interface than other options, discover upcoming plans of friends in their area, and share potential plans to attract others. The document introduces Hoodere and its key features for addressing issues like not knowing who will be somewhere, difficulty coordinating plans through messages, lack of awareness of nearby plans, and no good way to ask others to join impromptu activities.