“…Apart from games being directly designed for viewers, viewer participation can occur in a variety of other ways, such as chatting via text or special emoticons [68,136], gifting [70], clicking likes or hearts [50], polling [28,86], subscribing to streaming channels [65], moderating chatrooms [122], or playing games with a streamer in video game stream [86]. Recognizing the growing attention that has been devoted to viewer participation techniques, researchers have also begun to investigate viewer experiences and interaction [22,132], as well as the difficulties associated with designing these viewer participation tools [124,133]. One of the challenges encountered in designing these viewer participation tools is the negative interpersonal interaction occurred in the community [94,124,133].…”