Use shapes if you're looking to improve, and discord is good if you wanna screenshare, I think I've figured out by now you guys aren't allowed but maybe your mom needs a little convincing on what you could do with discord and being able to be exclusively in contact with those you choose, people who are hacked get hacked from servers with tons of people when they click on a link. The only times discord is dangerous is when you put your account in a dangerous environment(server) or reveal personal dangerous information to others you do not know. It's a good app