What does Hai look like on Google?

On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.

When did Google add Hai?

Google first drew Hai in Android 7.0, released 22. August 2016.

Google LLC has shipped 17 versions of Hai. Each is dated, so you can see when the design changed.

Google Android 7.0

Google shipped a new design for Hai in Android 7.0, released 22. August 2016. The previous design is shown beside it.

The first Google release we hold for this emoji.

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

What does Hai look like on Google?: On Google it is the design shipped in 17.0, shown above at full size. Older revisions are listed beneath it.
When did Google add Hai?: Google first drew Hai in Android 7.0, released 22. August 2016.
How many times has Google redrawn Hai?: Google LLC has shipped 17 versions of Hai. Each is dated, so you can see when the design changed.