Google Play Store App wurde abgelehnt wegen unfindbaren Grund

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx">


    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
    <uses-permission android:name="android.permission.INTERNET"></uses-permission>


    <application
        android:allowBackup="true"
        android:hardwareAccelerated="false"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:largeHeap="true"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />


                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".Home" />
        <activity android:name=".Home2" />
    </application>


</manifest>

package xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx;


import android.content.pm.ActivityInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;


import com.google.android.gms.ads.AdListener;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.ads.InterstitialAd;


import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;


import br.com.simplepass.loading_button_lib.customViews.CircularProgressButton;


public class Home2 extends AppCompatActivity {


    private CircularProgressButton circularProgressButton;
    private InterstitialAd mmInterstitialAd;
    private ScheduledExecutorService scheduler;
    private boolean isVisible;




    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home2);


        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);


        prepareAd();


        AdView mAdView3 = findViewById(R.id.adView3);
        AdRequest adRequest3 = new AdRequest.Builder().build();
        mAdView3.loadAd(adRequest3);


        circularProgressButton = (CircularProgressButton) findViewById(R.id.btn2);
        circularProgressButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                AsyncTask<String, String, String> demoDownload = new AsyncTask<String, String, String>() {
                    @Override
                    protected String doInBackground(String... voids) {
                        try {
                            Thread.sleep(85000);
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                        return "done";
                    }


                    @Override
                    protected void onPostExecute(String s) {
                        if (s.equals("done")) {
                            Toast.makeText(Home2.this, "DONE!", Toast.LENGTH_LONG).show();
                            circularProgressButton.doneLoadingAnimation(Color.parseColor("#333639"), BitmapFactory.decodeResource(getResources(), R.drawable.ic_done_white_48dp));
                        }




                    }


                };
                circularProgressButton.startAnimation();
                demoDownload.execute();




            }
        });
    }


    @Override
    protected void onStart() {
        super.onStart();
        isVisible = true;
        if (scheduler == null) {
            scheduler = Executors.newSingleThreadScheduledExecutor();
            scheduler.scheduleAtFixedRate(new Runnable() {
                public void run() {
                    Log.i("hello", "world");
                    runOnUiThread(new Runnable() {
                        public void run() {
                            if (mmInterstitialAd.isLoaded() && isVisible) {
                                mmInterstitialAd.show();
                            } else {
                                Log.d("TAG", "Interstitial not loaded");
                            }


                            prepareAd();
                        }
                    });
                }
            }, 10, 10, TimeUnit.SECONDS);


        }


    }


    private void prepareAd() {


        mmInterstitialAd = new InterstitialAd(this);
        mmInterstitialAd.setAdUnitId("ca-app-pub-9172839787905853/1689381961");
        mmInterstitialAd.loadAd(new AdRequest.Builder().build());
    }


    @Override
    protected void onStop() {
        super.onStop();
        scheduler.shutdownNow();
        scheduler = null;
        isVisible = false;
    }
}