More pressing than the legal ambiguity is the security risk. Downloading an APK from third-party repositories involves bypassing the security vetting of the Google Play Store. A file labeled "FilmPlus v2.0.9r build 118 mod" could easily be repackaged with malware, spyware, or trojans designed to harvest user data. The pursuit of a "high quality" movie experience can inadvertently lead to a compromise of personal device security. Therefore, the user’s quest for quality requires a heightened level of digital literacy and caution regarding the source of the download.
: Aggregates 1080p and 4K streams from various sources.
: Apps like Filmzie offer legal, ad-supported streaming of movies and hidden gems.
Since you are downloading a specific "Mod" build, the developer will not push updates to you. To keep your high-quality streams going: