The assignment is about creating an Android app that embeds a YouTube player using the YouTube API Client Library. The app will allow content redirection from one device (Source) to another device (Sink) over a TCP connection, where the Sink device fetches the video content from the YouTube server using information received from the Source device. The project enables controlling the play-pause of videos on the Sink device from the Source device and has practical applications in home devices like TVs or screens.