Thanks for reaching out here in Roku Community.
We apologize for the inconvenience you have experienced with accessing the content on your Roku device. For more information about that channel's features and functionality, it may be best for you to contact Dish support directly to inquire further. Many channels on Roku are developed and maintained by the channel provider themselves.
You can reach them here Dish Support
Additionally, we understand your interest in having a Dish Anywhere app for Roku. While we do not have control over which apps are developed and offered on the Roku platform, we appreciate your feedback and will forward your suggestion to our team.
Please let us know if there is anything else we can assist you with.