These are free tickets to download and use the Android application implementing the effect of ancient theatre. But please make sure to be in time as they are valid only to 31st August. The application is validated by Google Play Store so it is safe.
Use the links below – there are one per person, so if the one you choose does not work, probably somebody used it before you. Check out the next one.
https://play.google.com/redeem?code=KBSDBLPCERXSQ4CZWVMEUXF
https://play.google.com/redeem?code=9QZFF7PE4KNM8BGD6X98TVL
https://play.google.com/redeem?code=A1EY00SQGUS0WQXJ8L09VUF
https://play.google.com/redeem?code=D9HGBAN4B9U2FRVHUCPM576
https://play.google.com/redeem?code=HW9EK6Z3S0AUM9WLG6CAFTU