Hello, someone asked me about how to follow and watch a match you are not in, so I post this guide.
This is also a requirement for you to finish your daily.

Basically, you press a button as follows

[attachment=807]

Press anyone you want to watch, as follows

[attachment=806]

And you will enter as a spectator, then press 2 buttons at the bottom.

[attachment=805]
Thanks all! Hope it helped you