what's wrong if font is not supported on your phone

[AC Question]

I installed Emoji font 3 from apk download. I tried to change the font and didnt work. It said: font is not supported on your phone,are you wanna delete font? ....What to do?!!!Please help.

 

[VW Maverick]

Welcome.
Unless the font is part of the device options or it is rooted, adding fonts is not possible.
What device do you have?

Mav.