# FAQ
:::faq
What DirectX versions are available?
Only DirectX11 is supported by Unity.\
DirectX11&DirectX12 are supported by Unreal Engine.
:::
:::faq
Apps created with the SDK1.x UE Plugin can only play ELF-SR1. To play ELF-SR2, please rebuild with the SDK2.0 UE Plugin.
Content built with the former version (ver.1.2.1 ) of plugin for Unreal Engine can only play on ELF-SR1. To play contents on ELF-SR2, please rebuild with the latest version of the plugin
:::
:::faq
Are there other ways to interact with images on the device other than by keyboard or mouse?
Yes, the content creator can incorporate gesture control into their design such as with a gaming controller, or Leap Motion Controller for hand gestures (for example). This will give the user a way to interact with the 3D object.
"Leap Motion" is registered trademark or trademark of Ultraleap Inc.
:::
If you need more information, refer to [the User Guide's FAQ](/Products/Developer-Spatial-Reality-display/manual/). If you need more information, refer to the following website and article.\ for Japan: https://www.sony.jp/support/spatial-reality-display
If you need more information, refer to [the User Guide's FAQ](/Products/Developer-Spatial-Reality-display/manual/). If you need more information, refer to the following website and article.\ for Japan: https://www.sony.jp/support/spatial-reality-display