I have purchased the unlocker for Poweramp 2.0.10 build 588 on March 2017 on a Motorola XT535 Android 2.3.7 and everything was fine.
Then I changed phone to Samsung Galaxy Wonder Android 2.3.6, installed Poweramp and suddenly it stops working because it fails to verify license even though I've got the Unlocker installed.
So i get this GOOGLE PLAY RESPONSE ERROR CONTACTING SERVER, and followed its every direction on the "get support" button.
But it yields no positive result: Every time I reinstall Poweramp trial from google play, opened it, then reinstall Unlocker (From google play), i