The Chrome Browser apk files below are specifically intended for android tv boxes. Version 5.0+ will cover 6.0+ devices, 7.0+ version covers 8.0+.
Ad Guard blocks the ads on most apps, even the free movie and tv apks. Just install and enable.
Ad Guard may interfere with some apps and iptv services so you may have to switch it off if you are experiencing issues.
Processor Booster- Requires root access