In the SecSettings.apk already added support for lock screen from S5 and include settings from S5.
Function that would work with one hand you want to include it in the of setting up.
This works on any application including the lock screen.
SecContacts and SecPhone from Note 3.
Installing - CWM
Testing only I9500!
Downloading - https://www.mediafire.com/?zm5sttc5pjybpx1