Official apps from the Play Store or App Store are vetted for security.
In this context, "verified" usually means the link has been checked by the site administrators to ensure the file matches the title and is of watchable quality. Why Is It Popular?
With episodes lasting 15–20 minutes, they are perfect for quick consumption on mobile devices. How to Watch Safely
Sites ending in ".com" or ".in" that host pirated content often contain aggressive pop-up ads or redirects. Always ensure your device has updated security software if you are browsing these domains.