With TaskManager you could view and terminate running Apps. You could select between user apps oder all including system apps. No system services will be display, the should not be terminated.
With a short touch on an app you do terminate it, with a long touch you switch to it. You could switch between the different views with the 3 buttons or with a swipe to the left or right. Of every app you could see memory usage, processort time and cpu load.
TaskManager v3.8.1 Donate Android