Sad that @whispersystems doesn't have all emoji available. Why can't it use the ones in my Google keyboard? 
Not unless they are on a version of iOS or Android that also supports those emoji too, unfortunately.
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In that case, when will the rest of the emoji be added to the app?

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Which emoji are you trying to use? Is it one of these? https://emojipedia.org/emoji-5.0/
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Yep tho there may be older ones missing as well
End of conversation
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