For instance, some movies or a collection of the film is made available for download on the official site of production.
There are several mobile-friendly websites that allow you to do.
And, once you find it, read its description, details, movie plot, release date, star cast, ratings etc.
Vidmate provides excellent download speed that makes it even more popular.
If you are using a secured manner of downloading, security is not an issue, especially with big names of downloading agents.
Everything under a single roof all you are required to be doing is enjoys watching.