You can play Scillacraft by adding the server in the Minecraft launcher.
On Minecraft Bedrock Edition, open the Minecraft launcher or Minecraft app. Go to the “Servers” tab and press “Add Server.” Enter the Scillacraft IP Address 192.99.254.87in the “Server Address” and the Scillacraft port 19132 in the “Port.” Then press “Save” and start playing.