Streaming servers are constantly going trough a review process in order to make sure that they offer a great experience. This is why you'll need to select streaming optimized servers based on specific streaming options.
To do this, simply open the app > Tap on the "Auto select" button to go into the Server selection screen > Tap on the "For Streaming" filter > choose your preferred streaming service.
As you can see, a list of available streaming services are listed. Choose the one you want and tap it in order to connect. Please note that you'll still need a subscription for your desired streaming service.
Also note that certain streaming services have multiple countries available (Netflix, Hulu, Youtube, Amazon).
Once you're connected you can start using your desired streaming service.