In The Unicode Standard, Mende Kikakui script implementation is discussed in  Chapter 19 Africa.

The Mende Kikakui script was encoded in The Unicode Standard version 7.0. The script is now encoded in the following block:

BlocksCharacter RangeAdded in Unicode VersionUnicode chart
Mende Kikakui 1E800..1E8DF 7.0  U1E800.pdf

A number of proposals for its inclusion have been submitted to the Unicode Technical Committee and WG2:

2010-01-23 Preliminary proposal for encoding the Mende script in the SMP of the UCS — Michael Everson ( WG2 N3757,  L2/10-006)

2010-07-28 Proposal for encoding the Mende script in the SMP of the UCS — Michael Everson ( WG2 N3863,  L2/10-252)

2011-10-21 Proposal for encoding the Mende script in the SMP of the UCS — Michael Everson ( WG2 N4133,  L2/11-301)

2012-01-24 Revised proposal for encoding the Mende script in the SMP of the UCS — Michael Everson, Konrad Tuchscherer ( WG2 N4167,  L2/12-023)

2012-01-29 Encoding model options for Mende numbers — Deborah Anderson ( L2/12-049)

2012-07-20 Request for a decision on encoding model for Mende numbers — Deborah Anderson ( L2/12-265)

2012-08-01 Proposal for Nine Mende Digit Characters — Deborah Anderson ( WG2 N4311,  L2/12-293)

2012-10-23 Mende ad-hoc group report — Mende Ad-hoc Committee ( WG2 N4375,  L2/12-335)

2013-02-11 Rationale for script name change from Mende to Kikakui — UTC ( WG2 N4396)