Big eyes appear on the screen, and on the contrary, they are staring at us.

… It's just that app (laughs), but depending on how you use it, the following uses are possible.
(1) In ridiculously free time.
(2) For training to correct social phobia.
(3) For those who want to stare at someone asexually.
(4) For practicing mind reading and mentalism (Nanwa!)