Tried to log in to Pandora app on Roku. It's so incredibly PAINFUL, but really wanted to so I typed through email and password very, very carefully o-n-e-L-e-t-t-e-r-a-n-d-o-n-3-s-y-m-0-l-@-a-T-7-m-e. Double checked before submitting. Credentials not accepted. I tried several PAINFUL times. Double checked username and password on the Android and Web apps, and they worked flawlessly.
I can only assume the Roku app is **ahem** on login credentials. So, I removed it.
Seriously, so many other Roku apps are so much easier to log into. Must be the market share here is too small to bother with a more user friendly solution. Though, poor usability leads to poor market share, so....
Moderator Edit: Changing title for clarity
