Same error with ldplayer, i try to play with google account. May be i don't use the right method.
-I install db legends with play store and i sign with my google account
-I install lucky patcher and i use the two patches "signature verifaction" in the toolbox
-I reboot ldplayer
-I put the Mod on...
Sorry, I am french. The error is "Installation error
Unfortunately, this app cannot be installed on the existing version of Bluestacks.";
I am installing ldplayer