I do understand you are trying to watch your Slingbox 500 on your Android TV, but the Slingplayer app is currently not supported on any smart TV. However, you can watch your Slingbox on a TV using compatible connected devices such as a Roku, Chromecast, Google TV, etc. For further reference, please review the links below:
- SlingPlayer for Connected Devices Compatibility
- SlingPlayer for Connected Devices FAQ & Help
- Launching SlingPlayer for Connected Devices
- Getting started with SlingPlayer for Connected Devices/Google TV
- Frequently asked questions about SlingPlayer for Chromecast
- Frequently asked questions about SlingPlayer for Roku
Sling Media Support Team!