Now right-click the launcher and click open.Go to System preferences → Security & privacy → General, and make sure App Store and Identified developers is selected in the 'Allow apps downloaded from:' section.If the OS doesn't let you open it because it's from an unidentified developer:.Click the file named ShimejiEE-launcher.This project is a fork of Kilkakon's shimeji version and incorporates the work from nonowarn's shimeji4mac Installation
The releases aren't updated frequently, so build it from source for the latest release.