Okay, yes the performance aspect is a valid concern. Right now the optimization is not the best, even if you "pause" the game (there's still quite a bit of CPU usage) I plan to improve this in the future as well.
But yeah I should add an automatic start for the game. I think you need to handle remote starting/stopping the app executable on your own. I haven't looked into how that is done but I guess it's possible with some software? (maybe you are already doing this?)