Update 1: Please do not confuse Galaxy S4 screen mirroring with Android screen mirroring through Chromecast. Android screen mirroring (screen cast) is also supported on Galaxy S4.
Update 2: For detailed comparison of Chromecast and Miracast, please check this guide.
You may not know you can enjoy any contents in your Galaxy S4 in a bigger screen (e.g., TV). You can simply share the Galaxy S4 screen with most TVs or even some projectors.
This is Galaxy S4 screen mirroring.
Some geeks may call it wireless display, which is used by some other vendors.
Galaxy S4 Screen Mirroring is one of the prominent features in the smartphone. But unfortunately, this feature is under-used, because there are no clear guides for Galaxy S4 owners on how to use screen mirroring in Galaxy S4
This ultimate guide of Galaxy S4 screen mirroring will solve the problem for you.
Everything you need to know about Galaxy S4 screen mirroring will be covered. I will update this guide regularly. If you have any questions or suggestions, please leave them in the comments section below.
What is Galaxy S4 screen mirroring?
Galaxy S4 screen mirroring (or wireless display) simply duplicates the display in your Galaxy S4 on TV or other bigger screens (e.g., projectors). In other words, instead of staring at the 5″ screen, you can share Samsung Galaxy S4’s screen with TV of any size. The Samsung Galaxy S4 then works like a remote control for your TV.
This means you can consume any contents from your Galaxy S4 on a TV with a bigger screen with screen mirroring. For example, you can watch any videos on the TV screen from Galaxy S4. This usually gives better watching experience. You can easily share the video or the show with your family members … Read the rest
Update: Now you can read thsi Galaxy S4 FAQ guide (Galaxy S4 Customer Consultant Guide) directly in this post. 
