On the Samsung Galaxy S6 it can happen to you that you will receive the following message in the notification bar:
"This app is causing your device to run slowly. To improve your device´s performance, disable auto open for this app”.
Should this message appear on your Samsung Galaxy S6 in the status bar, then this has the following reason: On the smartphone, the app “Smart Manager” is installed, which monitors certain system processes. If the Smart Manager notice that an app creates high resource load, then you will see the message "This app slows your device" on the display.
You should now check on the Samsung Galaxy S6 which app could potentially arise because an increased battery consumption or heat generation of the smartphone may occur for example.
Open therefore on the Samsung Galaxy S6 the menu and then the app "Smart Manager". Here you will now find the detailed information about which app slows down the device. Usually it helps to press the button "Clear All".
If then after a while the message is still displayed, then the app should be uninstalled from your Samsung Galaxy S6. You know now where the message: "This app is causing your device to run slowly. To improve your device´s performance, disable auto open for this app” comes from.