Layar / FrontPage. Layar / First Layar Tutorial - Create a simple layer. This is the first of a series of tutorials on how to create a layer using the Layar developer API. Each tutorial will explain how to implement a specific feature within a layer. The idea is to help developers to get started with developing their own layers faster. In this first tutorial, we explain how to create a simple layer step by step. Layar Developers.