Android is becoming very popular day by day and so that its
users are increasing vastly and beside this you must know how to save
battery which last no longer on any android mobile.
Basically there are multiple apps are available on all the
android market. The main reason they don't work is that they are not
programmed to completely close any application.
Suppose if you install the battery saver application and
you get the optimize widget by which you can press once at it will say
that it cleared some memory.