This document discusses using mobile devices like smartphones and tablets to enhance the television viewing experience through second screen applications. It introduces several second screen apps for Google TV including apps that turn a mobile device into a remote control, allow playing games against others watching the same show, and enable multi-user and multi-device experiences. It then describes the Anymote protocol for allowing second screen apps to securely communicate with and control Google TV. Finally, it provides guidance for developing second screen apps for Google TV and publishing them on the Google Play store.