I want to bring the experience of NASA’s “Eyes on the Solar System” to smartphones, delivering the same sense of discovery on both iOS and Android. The app must let users glide through a fully 3D solar system, follow real-time orbital paths, and manipulate the scene with intuitive touch gestures. What matters most to me: • 3D visualisation – planets, moons, and spacecraft rendered smoothly on mid-range devices at a reliable frame rate. • Real-time data – live ephemeris updates pulled from official NASA/JPL sources, with a sensible offline fallback. • Interactive controls – pinch-zoom, free-orbit camera, time scrubbing, object info overlays, and a clean UI that never obscures the view. I’m flexible on the engine; Unity, Unreal, or another proven mobile-friendly stack is fine so long as you can hit performance targets and supply full source code. Publicly available NASA assets are a good starting point, but they’ll need optimisation and consistent texturing for mobile. Acceptance is simple: the project builds successfully for both platforms, installs via TestFlight/Google Play internal track, and reproduces the core Eyes on the Solar System functionality with the three features listed above. Include concise setup notes so another developer can compile the project without guesswork. If this sounds like your domain, let’s explore the cosmos together.