Ok, I will try to remove the screenshot with the game covers. I hope it will help 
I will also try to introduce the fair-use.
For what the app do, basically this is a Twitch client that allow you to watch your stream. So I display the game covers that Twitch gives and it allows me to navigate in the app.
I do not intent to replace the orignal one but just to offer an alternative since I had some issue with the other one.
And also, regarding Twitch’s developer agreement, don’t you think I need to submit my app somewhere?
I believe that Twitch needs to be aware no?