> For the complete documentation index, see [llms.txt](https://erickson.gitbook.io/themes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://erickson.gitbook.io/themes/erickson/sections/apps.md).

# Apps

Themes now support `App Block` extensions that gracefully integrate with Online Store 2.0, including Erickson. This means you can use **'App'** sections on every page to extend the functionality and integrity of your online store. 

{% hint style="info" %}
Want to learn more about Online Store 2.0 and the feature? Head over to Shopify's [Online Store 2.0](https://www.shopify.com/partners/blog/shopify-unite-announcements-2021) Feature List.
{% endhint %}