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The mobile gaming industry has undergone remarkable expansion alongside advancements in mobile and information technologies. Facing intensified market competition due to user number saturation and product homogeneity, industry practitioners require actionable insights into design features that drive user engagement and in-game payments. This study employs a qualitative research approach based on grounded theory, focusing on role-playing mobile games as the research subject. Primary data were collected through in-depth interviews and focus groups with gaming industry professionals and users, supplemented by online textual data collection. Utilizing the three-stage coding paradigm of grounded theory and drawing upon emotional design theory, this study constructs a dimensional model of mobile game design features comprising 4 major categories, 16 primary design characteristics, and 41 specific design elements. The findings provide theoretical support for understanding how mobile game design features influence user behaviors while offering practical insights for optimizing mobile game products. This research contributes to both academic discourse and industrial practice by systematically identifying and categorizing critical design elements that affect user engagement in mobile games.
Ma et al. (Thu,) studied this question.