What does 東京タワー 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 東京タワー?

HTC first drew 東京タワー in Sense 7, released 2015年3月30日.

HTC Corporation has shipped 2 versions of 東京タワー. Each is dated, so you can see when the design changed.

HTC

HTC Corporation has drawn 東京タワー 2 times. Every revision HTC has shipped is below, newest first.

What does 東京タワー 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 東京タワー?: HTC first drew 東京タワー in Sense 7, released 2015年3月30日.
How many times has HTC redrawn 東京タワー?: HTC Corporation has shipped 2 versions of 東京タワー. Each is dated, so you can see when the design changed.

HTC artwork for this emoji spans 2015 to 2016.