# Introduction

{% content-ref url="<https://app.gitbook.com/o/QMsd5hT6sxA9FBIB03yh/s/3UKy7VHRJWrNarYaMp13/>" %}
[Blippar Documentation Centre](https://app.gitbook.com/o/QMsd5hT6sxA9FBIB03yh/s/3UKy7VHRJWrNarYaMp13/)
{% endcontent-ref %}

{% content-ref url="support/contact-support" %}
[contact-support](https://docs.blippar.com/blippbuilder-app-sdk/support/contact-support)
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## Overview

App SDK is a robust AR experience building platform which enables the users to build and publish their project which can be launched using the Blippar App

## Key Features

The following are the key features of Blippar App SDK:

* Marker and entity detection
* Graphical rendering and animation
* Create compelling and interactive experiences
* Supports 3D markers

## Limitations

The following features are currently not supported:

* AR creations without marker images
* Real-time shadows&#x20;

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