Difference between Back key and Center key in Samsung Smartphones.
By pressing Back/Return key, we can close the Foreground application or we can go back to the previous folder or page.
( Home and Return key in Samsung Tab3)
But when we press Home/Centre key, phone comes to Idle state and the application runs in background and it consumes RAM. To avoid unnecessary usage of RAM, we can close all the running applications from background by long press Centre Key and end the application from Task Manager.
Related links :
Walkaround of Samsung Galaxy Tab 2 (GT-P3100).
How to multitask with various applications in Samsung Galaxy Tab 2 (GT-P3100).
Walkaround of Samsung Galaxy Note 10.1 ( SM-P601).
Walkaround of Samsung Galaxy Grand 2 (SM-G7102).
How to Close all Recent apps in Samsung Galaxy Grand 2 ( SM-G7102 ) ?