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This OpenXR-based SDK allows Unreal Engine 5 users to develop their own applications for the Lynx-R1 headset.

We recommend to use Unreal Engine 5.0.3 for the best experience with the SDK.

We recommend configuring the Android platform in Unreal Engine with the following parameters:

Create a project using the Unreal Engine "Virtual Reality" template (check "Starter Content").

Add the Lynx plugin to the following directory (you may need to create the Plugins folder): YourProject/Plugins

Restart your project to update the list of your plugins.

You can now package your project for Android to get a first look.

We recommend to use UltraleapTracking 4.8.0 plugin, which you can find here: https://github.com/ultraleap/UnrealPlugin/releases/

Add the Ultraleap plugin to the following directory (you may need to create the Plugins folder): YourProject/Plugins

Restart your project to update the list of your plugins.

Then add one of the four hand blueprints available in your Content Browser: Plugins/Ultraleap Tracking Plugin Content/HandModules/Hands

Make sure your hands are correctly positioned at Player Start that the target version of the SDK is 28+.

To be launched from Lynx Home, your application must have certain permissions, which must be added from Unreal Engine.

Open Project Settings, in the Advanced APK Packaging section, add the following two Extra Permissions:

Work in progress.