ioBroker - flexible and modular application for the IoT and Smarthome
Android TV Remote Control - Android TV Remote Control is free to use application that allows you to take control of your Android TV.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
RemoteNOW - RemoteNOW is a TV controller application that comes with a virtual way to deal with your Android TV.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
KKMultiScr - KKMultiScr is an interactive application designed for multiscreen that allows to control your android application with ease, so make your life easy with the proper channel handling.