Smart TV APK downloader

An file manager utility for users to copy or transfer (download) APK (includes APKM, APKS, APK+ extensions) files to Android TV's storage, users can then install it if they desire to.

features:
1. Easy download and installation for APK (Android TV 9-15).
2. Install APK from FILES picker (SAF) on NVIDIA SHIELD TV (Android TV 11).
3. Download and install APK from any URL to your Android TV device.
4. Transfer APK to TV device via browser upload from another device.
4. Download other file types to your Android TV device.
5. Simple APK file management operations like, copy, delete.
6. Install APK files from USB storage (Android TV 9-10).
8. Works on Android TV 9-15, Google TV

Note: the following functions have been removed since v3.0.0 and later
* Unzip ZIP extraction functionality.
* Extract XAPK file and automatically install OBB file. (note: only work for APK + OBB data on Android < 11)