Pretty sure it was just showing the act of taking pictures of your short friends from your eye level to show them how short they look to you, like that's it...
My bad, I saw this real late at night after a concert, reading the message above mine it makes sense now. I was confused because of what the title mentions, plus you can’t read what’s on the phone in the picture here.
Edit: https://goo.gl/images/Wnk6kq
That was It