You can play CubicXP 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 CubicXP IP Address mc.cubicxp.netin the “Server Address” and the CubicXP port 19132 in the “Port.” Then press “Save” and start playing.