mGoogleApiClient=new GoogleApiClient.Builder(this)//Instantiate w/ builder
        .addConnectionCallbacks(this)
        .addOnConnectionFailedListener(this)
        .addApi(Plus.API)
        .addScope(Plus.SCOPE_PLUS_LOGIN)
        .addApi(Games.API)
        .addScope(Games.SCOPE_GAMES)
        .setViewForPopups(this.getWindow().getDecorView().findViewById(android.R.id.content))
        .build();