There is a unified control application for all ToolsOnAir applications called Just Control. During the setup, the administrator can define which one of the two available solutions/user interfaces namely just:live or just:play should be used for a certain channel.
just:live is a macOS based Live Production Playout solution for video and realtime graphics. It streamlines the playout of videos and realtime graphics in any live environment while maintaining full control over the production workflow. → Visit the official product website to learn more!