Of course it's true. Now there are many such manual softwares, which are used by many students and Bao Ma. They don't earn much, just a little pocket money. But after all, it is very simple to operate. You can earn pocket money by downloading a few softwares with your mobile phone. I've also used happy testers, and it feels good. I used the Happy Tester to save my living expenses for several months, and recently downloaded the Happy Tester. After all, I'm not allowed to go out now, so I have to. . I'm glad you can adopt my answer. You can keep asking questions. Thank you.