Smartphone controlled anything never feels great to me. If I have to type in code to unlock my keypad, then wait for an app to launch, just to change the temperature on the thermostat, it's already over. On a similar note, I wanted to love the Chromecast, but I found the phone to be a terrible controller. Now I use a Roku, which has a great remote. Instead of my girlfriend and I crowding ourselves around a tiny smart…
> Smartphone controlled anything never feels great to me. If I have to type in code to unlock my keypad, then wait for an app to launch, just to change the temperature on the thermostat, it's already over. For one, newer smartphones will mostly come with fingerprint sensors. So no code typing there. Second, apps launch almost instantly in any recent iOS or Android phone. It's not like you'll wait 1 minute for he app…
My point isn't that it's difficult, it's that existing solutions are already better than the smartphone-based ones.