A free program for Android, by Ghulam Jewel.

Planetarium 2 Zen Odyssey: Wonders of Astronomy is an open-ended space sandbox game, which is a combination of a space exploration and a survival game. You will have to build and destroy your own solar system, explore other solar systems, travel to the far reaches of our world, and fight against space monsters.

The game has a massive open world that you can explore. There is a vast number of planets, stars, satellites, asteroids, and other celestial bodies that you can interact with and play with. You can explore the solar system, view other solar systems, and fight against space monsters.

You can create your own solar system by adding or removing planets. You can also scale and rotate any of the planets or celestial bodies.