Jack was the name of a specially developed robot sent people to get the most precious metal on an alien planet, but it requires refueling and repairs. You start with a simple ore and dig deeper and deeper to find precious minerals hidden beneath the surface of the planet. Sell everything you have collected to buy improvements for the robot, which will allow him to stay underground longer aBlack Jack Playnd produce ever more complex elements.CPU---Android OS4.4WOpen GL---Free Space 42.44 MBAndroid TVNoGamepad SupportNoInternetNoEnglish languageNoHow do we get this dataWhats newUpdate history-----