Method 1:

First of all, you have to set Octopus Input Method as the default output method, then find a friend to chat with and click the Octopus button on the pop-up input method.

Through the toolbar below the popup, find the emoji association button, keep the emoji association on, and it will automatically generate emoji while everyone is typing.

Type in what you want to say, then click on the associated emoji below to send it to a friend.

Method 2:

Open Octopus Input Method APP, click the bottom emoji.

Choose your favorite emoji and click download.

Then go back to the chat window and click on the emoji icon to use it.