You can NOT watch, stream or view any content from these apps other than trailers or teasers.
Rivr, Originals for Hulu, Originals for Amazon, & Original Release are tools to help you get the most out of your existing subscription services.
As per the App Store description the intention of these apps is to help you discover and keep track of your favourite original shows and movies. Then get alerted to content changes so you never miss an episode or content drop.
If you have mistakingly subscribed to Pro you can find out how to cancel your subscription or request refunds on our support pages.
Cancelling your subscriptions