What does 建筑工人 look like on HTC?

On HTC it is the design shipped in Sense 8, shown above at full size. Older revisions are listed beneath it.

When did HTC add 建筑工人?

HTC first drew 建筑工人 in Sense 7, released 2015年3月30日.

HTC Corporation has shipped 2 versions of 建筑工人. Each is dated, so you can see when the design changed.

HTC

HTC Corporation has drawn 建筑工人 2 times. Every revision HTC has shipped is below, newest first.

What does 建筑工人 look like on HTC?: On HTC it is the design shipped in Sense 8, shown above at full size. Older revisions are listed beneath it.
When did HTC add 建筑工人?: HTC first drew 建筑工人 in Sense 7, released 2015年3月30日.
How many times has HTC redrawn 建筑工人?: HTC Corporation has shipped 2 versions of 建筑工人. Each is dated, so you can see when the design changed.

HTC artwork for this emoji spans 2015 to 2016.