Walkable Gaussian splat worlds on Android, rendered with Vulkan.
Load a World Labs Marble .spz, put a SplatSurfaceView in a layout, and walk through the scene.
implementation("io.github.xget7:splatkit-android:0.1.0-alpha03")packages/splatkit-android/README.md has the full API and a working activity.
Gaussian splat viewers on Android are closed apps.
This is an open engine instead: MIT, no app to install, no account, no cloud, and the Vulkan source is there to read, change and measure.
Anyone with an Android device can build it, change the renderer and prove the difference on their own hardware.
Every performance claim in docs/ROADMAP.md comes with the device and the number that produced it.
packages/splat-core/ C++17 core with no graphics dependency: Formats, Sorting, Math, Navigation.
packages/splatkit-android/ Android library: Vulkan renderer, camera, input, scene, view.
apps/android-dev/ Android app for development and benchmarks.
docs/adr/ Architecture decision records.
docs/ROADMAP.md What is done, what is next, what is deferred and why.
The core has no graphics dependency and no host framework in it, so a second engine can sit beside the Vulkan one without touching the formats, the sorting or the navigation.
Experimental, pre alpha.
The engine renders and walks World Labs worlds, SPZ versions 2 to 4.
On a Xiaomi Mi 9 (Adreno 640) a 500k splat kitchen renders in 14 ms at full resolution, and a 2M splat house in 19 ms at full resolution and at 60 fps with render scale 0.7; docs/BENCHMARKS.md has every measurement.
Four quality presets (RenderQuality.LOW to ULTRA) sit on that curve, each with a stated reason, and every setting behind them stays adjustable.
Only arm64-v8a is built, and the API will change until 0.1.0.
Contributions are welcome, and most of what is open needs a real device rather than deep Vulkan knowledge.
docs/ROADMAP.md lists what is open and what each item has to prove.
CONTRIBUTING.md says how to build the core, how to run the dev app, and what a pull request needs.
MIT.