Not sure if already mentioned somewhere here but give a try to this: https://play.google.com/store/apps/details?id=mobi.xperiacle.multiwindowplus.
Inviato dal mio SM-P605 utilizzando Tapatalk
our Note 3 comes (i don't know why) without the Optical Reader.
This can definetively help.
Tested on ...xxubmj3 odex and working.
please after flash check the permissions (otherwise no ocr):
for all folders; rwx rx rx
for all ...
Hancom office suite...definetively a killer office application suite.
Inviato dal mio SM-P905 utilizzando Tapatalk
this guide works perfectly with sm-t860 (only root not custom recovery). in case you need....:D
triyed with a raw piece of metal (very subtle) and confirm that the screen respond almost like my note 4 with s-pen. -> it must be conductive (take care to not scratch the screen).