switching.socialYes, each instance owner can add their own custom emojis to the standard set. The custom ones appearing at the top of the graphical emoji picker (the greyed-out face in the corner of the message box).
Bobinas P4G is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.
All Bobinas P4G content and data are available under the Creative Commons Attribution 3.0 license.