The content features a tutorial video that explains how to check if an HDMI input has a source connected by using code in a custom Android TV app. The detailed guide goes over the source code, which involves the use of specific code libraries and syntax in the Android system. When executed, this code tells the app to show if the HDMI input is connected or not. The author provides additional resources and a contact for questions. The code can be beneficial for developers who need to monitor HDMI input states in Android TV applications.