1. I click on the “CONNECT” button, but nothing happens.
You must manually add the proxy:
Choose the type of proxy – MTPROTO
Also, instead of the word “free” – there can be any word.
WARNING: Don’t use IP address to connect to the server. It can change.
2. I want to donate some money. How will money be spent?
Your money will go to maintain and expand the geography of servers.