Products can support user groups in social interaction and/or physical play in various ways. Depending on the requirements and needs of specific user groups and contexts of use, different approaches are applied to create successful designs. This special issue contains papers that describe designs for children, adults and elderly for sports, home and outdoor contexts. The papers in this issue explore how technology can contribute to enhancing user experiences in terms of social interaction and physical activities. Knowledge from very diverse research areas, such as, social psychology, persuasive technology, child development, human–robot interaction, and creativity is used as an inspiration source for the various projects.