Setting problem

[devilking892]

Please add three finger screenshot .

Please add app lock for security purpose.

And 

Please improve touch quality because after using some time the touch is not working properly

[viral_vaghela_]

Samsung already have very awesome screenshot taking features. App lock disputes user's security it's risky. Samsung's team is really doing everything great in every devices. But still Samsung has it's own applock app called S Secure download it here:

https://play.google.com/store/apps/details?id=com.samsung.android.app.sprotect

And for touch you can increase touch sensitivity from display settings.

[Sid_Karna]

S secure won't work on new phones. They discontinued it.

[cs_member8]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Thank you for sharing your feedback. We have noted down the feedback. We are continuously working for making our products better and more efficient.

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support