For anyone who wants to play with doing slingshots around the solar system, there's always Kerbal. Or alternatively there's Spaceflight Simulator https://play.g

For anyone who wants to play with doing slingshots around the solar system, there's always Kerbal. Or alternatively there's Spaceflight Simulator https://play.google.com/store/apps/details?id=com.StefMorojna.SpaceflightSimulator&hl=en_GB https://play.google.com/store/apps/details?id=com.StefMorojn... for which https://xkcd.com/1356/ https://xkcd.com/1356/ is true for me.