What does Page Facing up 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 Page Facing up?

HTC first drew Page Facing up in Sense 7, released March 30, 2015.

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

HTC

HTC Corporation has drawn Page Facing up 2 times. Every revision HTC has shipped is below, newest first.

What does Page Facing up 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 Page Facing up?: HTC first drew Page Facing up in Sense 7, released March 30, 2015.
How many times has HTC redrawn Page Facing up?: HTC Corporation has shipped 2 versions of Page Facing up. Each is dated, so you can see when the design changed.

HTC artwork for this emoji spans 2015 to 2016.