Does anyone know what this is for?

I found this button under the star/favorite button on a video I was watching and I was wondering what it was? It doesn't seem to be on every video, just some

I found this button under the star/favorite button on a video I was watching and I was wondering what it was? It doesn't seem to be on every video, just some
It means “Hao” which translates to very good. When you click it, the video is recommended to more people and shown to the people who follow you.
Reposting
The US has always fought like hell against communism....Because communism works.... I understand it only works with the right people in charge, but look at this beautiful efficient country these people have created. I had no idea...

So for some reason Red Note looks like this for me, but when I see others use it, its format is more similar to TikTok, is this me being stupid or is it something else?
2I was just talking to someone then I got banned. I reached out to their customer support but they said I have to fix it in app and they mentioned that they can't disclose the reason why I was banned. I tried appealing twice, but tbh I don't even know what reason I should give except saying" I didn't even know what I did, I was just talking to someone then I got banned" both appeals were rejected. Does anybody know how to fix this? or what to say?
I am new to red note. I join groups where hobbyist musicians take turns singing/performing on their musical instruments. I do not know how to speak Mandarin. But I can speak English and Cantonese. One time, the host of the music group said Red Note sent her a warning that the group was speaking too much English. So then everyone quickly switched to Mandarin, at which point, I didn't understand anything other than simple things like "it's your turn to perform". Can someone explain to me what actually happens when you speak English on rednote? Is that a very dangerous ting to do? And what if I speak Cantonese? Some of the groups I join have cantonese speakers. Is speaking Cantonese also very dangerous on red note? I'm not sure what I can or can't do, and what happens if i speak too much english/cantonese. Any insight will help, thank you
4I used to follow real-zhousy on weibo, but her account disappeared. I forgot all about it until she showed up on my pinterest, this time with the rednote ID: 541556782 I downloaded rednote but was unable to find her. (╥﹏╥) Does anyone know if she has a new account or what might have happened to her? I really liked her style and would like to follow her again if possible