City! Black Technology Review

Traveling through the parallel world, Jiang Heng, a small Douyin anchor, actually obtained the black technology evaluation system. The system will give him a black technology from other civilizations or worlds every week. Post a review video of this technology. The more plays and attention you get, the more points you can earn to purchase other black technologies! When he was down and out, he saw an opportunity to become rich! Artificial intelligence, exoskeleton armor, anti-gravity spacecraft, mobile armor... Jiang Heng: Audience gentlemen, today I bring you a new black technology! Planetary annihilation cannon! Please don't panic, don't panic! ! ! ! The introduction is weak and the title of the book is weak, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.