Disable Play Protect when your app keeps disappearing on your android device.
1. From the home screen click the Settings icon.
2. Scroll down and click Device Preferences.
3. Then click Security & restrictions.
4. Click the Verify apps toggle. This is the setting that will disable play protect on your device.
5. That’s it, you can now install any 3rd party application and they will not disappear since play protect has been disabled on your Android TV device.