Navigate to (the gear icon) > Apps > Security & Restrictions .
Use a verified, reputable APK hosting site (like APKMirror) to find the legitimate ~10 MB file. Input the direct URL into the Downloader app to install. Basic Configuration Guide download tvquickactions pro v354apk 895 mb link
While a basic version may exist, the version unlocks the full suite of "Quick Menus," advanced mouse emulation, and deep integration with system-level commands that make navigating Android TV significantly faster. Navigate to (the gear icon) > Apps > Security & Restrictions
Complete Guide to TVQuickActions Pro v3.5.4 APK: Features, Installation, and Smart TV Optimization " advanced mouse emulation