Not exactly sure what you mean.
Unicode emoticons can be copied and pasted and work everywhere, but will display slightly differently on different devices:
https://unicode-org.github.io/emoji/emoji/charts-15.0/emoji-list.html
Low Information Voter
npub149…tzmp0
2024-01-31 05:52:47
in reply to nevent1q…nau2
Author Public Key
npub1494rtg3ygq4cqawymgs0q3mcj6hucvu4kmadv03s5ey2sg32df5shtzmp0Published at
2024-01-31 05:52:47Event JSON
{
"id": "565a851f179f6f4824b7fef47c9e25e3d63e69663c333afa5079262cab115bfa",
"pubkey": "a96a35a224402b8075c4da20f0477896afcc3395b6fad63e30a648a8222a6a69",
"created_at": 1706680367,
"kind": 1,
"tags": [
[
"e",
"601eed85b853283b72f0abff6495203722f18b2acb16231bd245b2323938a9ec",
"",
"root"
],
[
"p",
"ecb528d3315e832465a09fccc4946176ab1529f6ef3e6820a4b029de8b06f433"
],
[
"r",
"https://unicode-org.github.io/emoji/emoji/charts-15.0/emoji-list.html"
]
],
"content": "Not exactly sure what you mean. \n\nUnicode emoticons can be copied and pasted and work everywhere, but will display slightly differently on different devices:\n\nhttps://unicode-org.github.io/emoji/emoji/charts-15.0/emoji-list.html",
"sig": "b44ec797532aed615a4e0f202df4bec39e2ad4e37e804a56ba8272853f5421bd25e59774934393a79f5d802e195ee6e4c22be19b99b07ebfb93fdaee97635e65"
}