What does Monkey look like on Samsung?

On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.

When did Samsung add Monkey?

Samsung first drew Monkey in Touchwiz 2.0, released April 26, 2013.

Samsung Electronics has shipped 26 versions of Monkey. Each is dated, so you can see when the design changed.

Samsung One UI 1.0

Samsung shipped a new design for Monkey in One UI 1.0, released February 19, 2019. The previous design is shown beside it.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Monkey look like on Samsung?: On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.
When did Samsung add Monkey?: Samsung first drew Monkey in Touchwiz 2.0, released April 26, 2013.
How many times has Samsung redrawn Monkey?: Samsung Electronics has shipped 26 versions of Monkey. Each is dated, so you can see when the design changed.