What does インベーダー 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 インベーダー?

HTC first drew インベーダー in Sense 7, released 2015年3月30日.

HTC Corporation has shipped 2 versions of インベーダー. Each is dated, so you can see when the design changed.

HTC

HTC Corporation has drawn インベーダー 2 times. Every revision HTC has shipped is below, newest first.

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

HTC artwork for this emoji spans 2015 to 2016.