If I Ask You to Repair a Mobile Phone, Why Do You Want to Build a Warp Engine?

Lin Feng traveled through the parallel urban world and opened a small shop for repairing mobile phones. Unexpectedly, the [Maintenance System] awakened. Repair a mobile phone and acquire nuclear-powered aircraft carrier technology. Repair two mobile phones and gain aviation and spaceship technology Repair three mobile phones and gain warp drive technology A few years later, the whole country of Yingjiang was confused: "What the hell? Our aviation aircraft has just landed on Mars, and your Dragon Kingdom has already developed a warp engine. Flying beyond the speed of light, has manned a flight out of the Milky Way? "