Update user.md

_vendors-content/samsung/user.md

@@ -29,7 +29,7 @@ Samsung developed an app named **Good Guardians**. This app is tightly integrate
 
 "Keep more apps in the background. When using the previously used app again, it is more likely to run with the last state of the app, not starting from the beginning."
 
-* **Battery Guardian**: offers a few battery-saving controls.
+* **Battery Guardian**: offers a few battery-saving controls, the option **App power saving** can close any app, if it uses an increased amount of battery (the system decides).
 
 * **Galaxy app booster**: no information so far...