MaiDuiDui (native name 埋堆堆) is a joint venture between Television Broadcasts Limited (TVB) and Mainland China. As China's first platform dedicated to Cantonese culture, MaiDuiDui brings together four main categories of content: officially licensed TV series with exclusive broadcasting rights, live streams in the Cantonese dialect, themed communities, and artist profiles, thereby creating a new online ecosystem dedicated to Cantonese culture. Website performance depends on the internet service provider in each country, whereas the app is available in all countries. The app is available on devices running Android, iOS, Microsoft, Harmony OS, and other operating systems and devices.