What is the Planets and Moons : Solar System Game game, how does it work?

According to the introduction of RokkApps, Planets and Moons : Solar System Game is a Casual game on the Android platform. There is currently a 3.8 version released on Feb 19, 2020, you can see the details below.

Probably all Solar System objects having diameter bigger as 1000 km and several smaller objects. Bring them to right position by picking (touch and move) or rotating a device.

Correct relative sizes, single scale factor for all scenes.

Scenes :
1) Terrestrial planets, the Moon and 3 asteroids: Ceres, Pallas, Vesta;
2) Jupiter with moons: Io, Europa, Ganymede, Callisto;
3) Saturn with moons: Mimas, Enceladus, Tethys, Dione, Rhea, Titan, Iapetus;
4) Uranus with moons: Miranda, Ariel, Umbriel, Titania, Oberon;
5) Neptune with moons: Proteus, Triton, Nereid;
6) Trans-Neptunian I - Orcus, Pluto with Charon, 2002 MS4, Salacia, Haumea, Quaoar, Makemake
7) Trans-Neptunian II - 2007 OR10, Eris, Sedna

What's new in version 3.8 Improved graphics
Fixed min. bugs
Major update is work in progress