I’m trying to automate things in my house as well and I chose Amazon since I don’t carry my smartphone around with me when at home. Several Echo’s placed around the house allow music and light switch control via voice commands but they do need to integrate in more devices. I’ll be more automated once I install an Ecobee thermostat I just bought.

But to be honest, the main use is music.

I’ve found the most important thing is ease of use so voice commands is a must for me. Google Home may be interesting when it’s available.