What does Offenes Buch look like on DoCoMo?

On DoCoMo it is the design shipped in 2013, shown above at full size. Older revisions are listed beneath it.

When did DoCoMo add Offenes Buch?

DoCoMo first drew Offenes Buch in 1999, released 1. Januar 1999.

NTT DoCoMo has shipped 6 versions of Offenes Buch. Each is dated, so you can see when the design changed.

DoCoMo

NTT DoCoMo has drawn Offenes Buch 6 times. Every revision DoCoMo has shipped is below, newest first.

What does Offenes Buch look like on DoCoMo?: On DoCoMo it is the design shipped in 2013, shown above at full size. Older revisions are listed beneath it.
When did DoCoMo add Offenes Buch?: DoCoMo first drew Offenes Buch in 1999, released 1. Januar 1999.
How many times has DoCoMo redrawn Offenes Buch?: NTT DoCoMo has shipped 6 versions of Offenes Buch. Each is dated, so you can see when the design changed.

DoCoMo artwork for this emoji spans 1999 to 2013.