Chromecast, if it is supported by the app.
https://www.google.com/intl/en_us/chromecast/?utm_source=chromecast.com
Some tablets have the ability to port the screen out the USB connection with an adapter.
http://www.samsung.com/us/support/answer/ANS00042085/997351984/
If you have a budget for a new device, there is a Google Android TV box that may run the app. If this works it could eliminate the tablet in the streaming.
https://www.android.com/tv/