If the apps code didn’t get installed you can use add or remove the code manually by doing the following.
Click on the installation button in the navigation
Here you can choose what theme you want to add our code to. Select the first theme to add the code to the theme that is currently published and press Enable. This will add our apps code to that theme.
If you want to remove the code from a theme select the theme and click disable.
Demo themes will come up as grey and unselectable.
If you need any help, contact us.