How to Cast TVZion on ChromeCast? 
Step 1: Prepare All Needed Devices (TV, Chromecast device, and Android Smartphone). 
Step 2: Download the All required apps (AllCast and TVZion app).These applications are essential to move next step so that you must download them.
Step 3: Now open TVZion app on your device and Play the video or Movies or TV Show/Season you wish to watch. 
Step 4: While you select the video or Movies or TV Show/Season, there will be some options to play. You can choose “Open With” to play through TVZion Chromecast. 
Step 5: In the new window, there will be options to choose the device to play the video. Find Allcast app and then just tap on it. 
Step 6: The app will search for players and then there you will see the Chromecast device. Just choose the Chromecast device showed. 
Step 7: Finally, your TVZion movie is now connected to your TV.
https://tvzion.me/