why my emoji is in square?

[AC Question]

please help me, i can see my emoji in square . on any social media i can see them in squares. please i wish u help me i came here with a hope that u will help me please please i have a phone name samsung S 3 mini. i have format it 5 times but still they r in squares please help me.

 

[Rukbat]

An emoji is just a couple of characters - the software in the phone translates it into a picture. (There's no universal translation - each app can have its own emoji set.) So unless you and the other person are using the same emoji app, there's no guarantee that what you send will even be seen.