# Mobile Application Server

In this scenario the <code class="expression">space.vars.X\_Agent\_Name\_Single</code> is configured to work as an application server with the ability to create client-side rules for validation, data storage and other mobile device features.

The client-side <code class="expression">space.vars.X\_Agent\_Name\_Single</code> is running entirely in JavaScript and is portable across any mobile device with a browser. It creates a native look and feel mobile experiences using pure `HTML5`, `CSS` and `JavaScript`.

<figure><img src="https://2423451286-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F42mDa58RoaDxb6t8mbaI%2Fuploads%2Fgit-blob-6bba038e1bf8efbdff18028602aced00f65c6853%2Fimage.png?alt=media" alt=""><figcaption><p>Graph</p></figcaption></figure>

Use cases include:

* Rapid mobile application prototyping
* Offline/Online mobile data capture