Twilight is a social software, and its full name is Twilight Projection Hall. It is a social service for users to watch online movies together. It claims to be a social software specially created for people who pay attention to spiritual communication.

Twilight officially claims to be a software for watching movies with long-distance friends, but it is actually a social software based on entertainment, that is, social interest.

Built-in functions include watching, listening, chatting and playing together. Users can arrange whatever they want in the software, or check in a room and wait for friends to watch classic videos or listen to classic music. This is a relatively novel dating software and social way.