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# [Android Components](../../../README.md) > Browser > Engine-System
[*Engine*](../../concept/engine/README.md) implementation based on the system's WebView.
## Usage
See [concept-engine](../../concept/engine/README.md) for a documentation of the abstract engine API this component implements.
### Setting up the dependency
Use Gradle to download the library from [maven.mozilla.org](https://maven.mozilla.org/) ([Setup repository](../../../README.md#maven-repository)):
```Groovy
implementation "org.mozilla.components:browser-engine-system:{latest-version}"
```
### Initializing
It is recommended t create only one `SystemEngine` instance per app.
```Kotlin
// Create default settings (optional) and enable tracking protection for all future sessions.
val defaultSettings = DefaultSettings().apply {
trackingProtectionPolicy = EngineSession.TrackingProtectionPolicy.all()
}
// Create an engine instance to be used by other components.
val engine = SystemEngine(context, defaultSettings)
```
### Integration
Usually it is not needed to interact with the `Engine` component directly. The [browser-session](../session/README.md) component will take care of making the state accessible and link a `Session` to an `EngineSession` internally. The [feature-session](../../feature/session/README.md) component will provide "use cases" to perform actions like loading URLs and takes care of rendering the selected `Session` on an `EngineView`.
### View
`SystemEngineView` is the Gecko-based implementation of `EngineView` in order to render web content.
```XML
<mozilla.components.browser.engine.system.SystemEngineView
android:id="@+id/engineView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
```
`SystemEngineView ` can render any `SystemEngineSession` using the `render()` method.
```Kotlin
val engineSession = engine.createSession()
val engineView = view.findViewById<SystemEngineView>(R.id.engineView)
engineView.render(engineSession)
```
## License
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/
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