What does Mouse 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 Mouse?

Samsung first drew Mouse in Touchwiz 6.0, released 7 marzo 2016.

Samsung Electronics has shipped 24 versions of Mouse. Each is dated, so you can see when the design changed.

Samsung One UI 2.1

This is the design Samsung introduced in One UI 2.0, shipped again unchanged. It was not redrawn for this release.

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

What does Mouse 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 Mouse?: Samsung first drew Mouse in Touchwiz 6.0, released 7 marzo 2016.
How many times has Samsung redrawn Mouse?: Samsung Electronics has shipped 24 versions of Mouse. Each is dated, so you can see when the design changed.