I reached out (metaphorically) to the development history of US2. The team at Giant Army has stated in AMAs that for the foreseeable future because:
Still in active development. The mobile version is being built from the same source code as the desktop version to ensure feature parity. Universe Sandbox 2 Download For Android
If you want a native app that feels like Universe Sandbox 2, these titles are the best currently available on the Play Store: Solar Smash I reached out (metaphorically) to the development history
Stay safe, stay curious, and keep your gravitational constants stable. and keep your gravitational constants stable.