Enter a special parental control PIN here and you can set age restrictions for what types of apps, movies, videos, music, and books a device can download. (howtogeek.com)
One gateway here, one there... a different one for lights, appliances, sensors... A different type of app for each product. (macrumors.com)
And developers will need to get company approval before offering certain types of apps. (businessinsider.com)