@costascontis ευχαριστώ! (αν θες κάτι στα ελληνικά, μίλα σε pm αλλιώς γράφω σε αγγλικά για τους κανόνες του φόρουμ)
I used a tinted glass called “SOL” that has a bronze tint and i think its ~80% reflective (and its very cheap).
For voice commands i used the google AIY Voice kit, you can run it even without the magic mirror app on any pi, and its “almost” ready for use.
The only downside is that I don’t have a screen output connected to my assistant, so it’s not like some modules here in the forum, but on the other hand, i did not want the google assistant to interfere with the magic mirror app.
What do you mean by “What do u use for voice commands?”
The input method is a mic, that came with the google voice kit, and all kinds of commands are accepted. (For example i have a sonoff relay controlling the power to the magic mirror monitor and i use the assistant to turn it on and off).