The name does not remove the platform difference
A player can have versions for several operating systems with different controls and installation methods. VideoLAN’s iOS documentation calls the mobile App Store product VLC for Mobile and describes the device’s authentication step. Its Apple TV distribution is a separate television-platform route.
Use the relevant publisher link for the device on which the software will run. An iPhone listing does not, by itself, establish a tvOS installation or a remote-friendly television interface. Likewise, a desktop media menu should not be assumed to appear unchanged on a phone.
Keep installation and source setup separate
After the correct application opens, follow its own documented methods for media. A mobile library, a network-media control and a television remote workflow can present the same source differently. Entering an access value into the wrong field can create a confusing error even when the application itself is installed correctly.
Make one ordinary test using a source you are authorized to play. Verify the control you actually need: selecting the item, opening subtitles or returning to the list. A feature available on one platform is a question to check on another, not a promise to copy.
Describe the actual device when asking for help
Include iPhone, iPad, Apple TV or desktop context, its operating system and the player version. State the exact screen and action. A report saying only VLC fails can otherwise attract instructions for a different interface.
Keep store authentication private and separate from any media-service login. A player download does not supply subscription access, and a familiar icon does not establish the account method supported by every version. The practical result is the right instructions for the installed application, rather than a collection of mismatched screenshots.
Questions answered
Does a phone app listing establish a television version?
No. Use the developer’s actual platform listing and documentation.
Is App Store authentication automatically the service login?
No. Downloading software and configuring access inside it are separate actions.
Sources & further reading
Official references for the subjects discussed. Service terms and device software can change.