About black and white emoji export

1

Hi all,

I have a font with black and white emoji, but I exported ttf file. The emoji texts can be shown correctly with the ttf file.
I checked that the exported file has the correct setting of features (Prefix, ccmp, subs) like the original one.
Do I miss something important for exporting emoji?

2

What do you think could be missing.
The only way to know for sure is to test all the functionality in a many apps you can find (different web browsers, office apps, Adobe apps).