FAQ of Local File Streaming Apps

FAQs for the PRO Features
* I got an error message from Netflix when I'm mirroring my Mac to the TV, saying "Please ensure your monitor is HDCP compliant and is not mirrored using Airplay"?
* Why the screen mirroring wouldn't work when I play DVDs on my Mac?
General FAQs for All Local File Streaming Apps
* Why didn't the app find my device that I want to cast to?
* Can I find and add devices to the app manually?
* Can I directly stream movies and TV shows purchased from iTunes to my TV?
* I have multiple subnets in my home network. Would streaming/mirroring work for me?
* Why the media streaming doesn't work for me? Which settings should I have on my router?
* I have a firewall on my Mac, should I have some specific settings for it?
* How to check Wi-Fi connection quality?
* My network condition is not well, and it buffers a lot when streaming/mirroring. How do I make it better?
* My Mac went to sleeping while streaming, and the video / audio playback stopped. How do I fix that?
* My question is not listed here. How can I report it?
* I have a feature request / product idea. Is there a way to send it to you?