After setting up Chromecast and connecting to Wi-Fi to the same network as your Chromecast, open the Spuul App from your android phone or tablet, then select a movie you want to cast.
Press the cast icon on the top right corner of your screen to cast the movie.
Select the device on which you want to cast the movie.
Your phone/tablet works just like your remote. You can change volume, fast forward, stop and play.
Click on the cast icon then select Disconnect to stop casting.