First of all go to the home screen of kika app as shown like below...Next you will see settings button at the bottom right corner of screen...click on it..
Next you will see a list of settings and find Keyboard settings...
Now there you can find an option of emoji...
Enable the emojis by marking the checkbox...
Now in kika typing keyboard emoji symbol can be seen at the bottom...
Click on it and use a huge number of emojis according to your choice..
