Correcting factual errors is constructive. The post implied that all you need is a Samsung Phone, then you have "Permissions Manager". No mention of an app. But

Correcting factual errors is constructive. The post implied that all you need is a Samsung Phone, then you have "Permissions Manager". No mention of an app. But then, when you look at the reviews for the app that is linked above, it doesn't give one a lot of confidence in managing permissions on Android.