i too have a bengkok at my right corner of screen,
but its only minor,
my Note1 & Note2 too have this minor defect,
small habuk can get into it,

It is working, it is a button, just put slightly pressure to press it. But........... if all is touch sensitive, it will be much better.

For those (reviewers etc) claiming the S-pen should be able to activate the home button without clicking, I think that's just BS.

The home button is a physical contact button, not a capacitive touch button, so of course you need to press on it physically for the contacts to engage.

I tested the capacitive buttons using the stylus on my Note 2.

1. Note 2 stylus works on Note 3 capacitive buttons
2. Note 3 stylus DOES NOT work on Note 2 capacitive buttons.

Therefore Samsung changed the capacitive sensor on the Note 3 to make it detect the S-pen as well.

Mine also cannot.. only the Back and Menu key are responsive to S-pen tab. I read some review said you still have to physically press the home button.