Ensure your wifi is on the correct network (TP[roomnumber]) This will allow you to cast directly to your TV on your own private network.
Netflix is provided free of charge and is signed in on both your TV and the Tablet for you, you can use the tablet to browse for shows and then cast directly to your TV by clicking the in the top right corner.
Search and play music from your tablet using Spotify, you can use your tablet to cast your Spotify to your TV.
Use your tablet to browse for videos on youtube and then cast to your TV by clicking the cast icon in the top right corner.
Other streaming apps from personal devices:
Other streaming apps can be streamed to the TV using your device by joining the room's private network and clicking