> For the complete documentation index, see [llms.txt](https://docs.blippar.com/blippbuilder-app-sdk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blippar.com/blippbuilder-app-sdk/introduction.md).

# Introduction

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[Blippar Documentation Centre](https://docs.blippar.com/blippar-documentation-centre/)
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[Contact Support](/blippbuilder-app-sdk/support/contact-support.md)
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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 

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