I'm so sorry you had troubles signing up! This is really an issue still, but something we can learn together.
There are TONS of apps using the steem blockchain, I'm currently using one of the blogging interfaces (SteemPeak.com) to respond to you. I've not even started using Appics yet!
Welcome to the blockchain. Take your time and ask questions. There are tons of people out there willing to help!
If you are familiar with DISCORD come join us there! 😍
Minnow Support Project PALnet Discord