What does 폴더 열기 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 폴더 열기?

HTC first drew 폴더 열기 in Sense 7, released 2015년 3월 30일.

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

HTC

HTC Corporation has drawn 폴더 열기 2 times. Every revision HTC has shipped is below, newest first.

What does 폴더 열기 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 폴더 열기?: HTC first drew 폴더 열기 in Sense 7, released 2015년 3월 30일.
How many times has HTC redrawn 폴더 열기?: HTC Corporation has shipped 2 versions of 폴더 열기. Each is dated, so you can see when the design changed.

HTC artwork for this emoji spans 2015 to 2016.