Hello,
If you need your phone to be more smoother , Then you got to use GREENIFY.
I'm using it on my Galaxy Star , it's making my phone very smooth and fast.
Just greenify useless apps (except : Facebook , Whatsapp , Messenger , etc or you will not get notification)
Download it from here : https://play.google.com/store/apps/details?id=com.oasisfeng.greenify&hl=en
Notice : it needs Root access
If you need your phone to be more smoother , Then you got to use GREENIFY.
I'm using it on my Galaxy Star , it's making my phone very smooth and fast.
Just greenify useless apps (except : Facebook , Whatsapp , Messenger , etc or you will not get notification)
Download it from here : https://play.google.com/store/apps/details?id=com.oasisfeng.greenify&hl=en
Notice : it needs Root access