===== Complete manual App removal =====

1) Go to Online Store -> Actions -> Edit Code\\
In forder "Layout" find file "theme.liquid" and delete 2 lines of the code that connects the snippet in "theme.liquid":

<code>
<!-- Snippet for Simple Preorder app -->
{% include 'simple-preorder-bootstrap' %}
</code>

{{:private:support:apps:1.png?800|}}

2) In folder "Snippets" find file "simple-preorder-bootstrap.liquid" and delete it.

{{:private:support:apps:2.png?800|}}

If this does not work, please write to support@kad.systems