Eu tenho um projeto criado no Xamarin Studio que parece ter alguns problemas quando publico no Google Play:

Quando o aplicativo é publicado, posso instalar nos telefones normalmente, mas quando tento acessar o aplicativo no Google Play por meio de um tablet, ele diz que o aplicativo é incompatível com o dispositivo.

Eu sou novo no desenvolvimento do Android, por isso tenho algumas dúvidas sobre isso ... Tentei exibir as telas compatíveis no manifesto do aplicativo:

<?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="my.package.name" android:versionName="1.0.0" android:versionCode="42">
    <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="21" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.SEND_SMS" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
    <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
    <uses-feature android:name="android.hardware.camera.autofocus" />
    <permission android:protectionLevel="signature" android:name="my.package.name.permission.C2D_MESSAGE" />
    <uses-permission android:name="my.package.name.permission.C2D_MESSAGE" />
    <application android:label="MyApplication" android:icon="@drawable/Icon" android:theme="@android:style/Theme.NoTitleBar">
    <meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/FacebookAppID" />
    <activity android:name="com.facebook.FacebookActivity" android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation" android:theme="@android:style/Theme.Translucent.NoTitleBar" android:label="@string/ApplicationName" />
    <service android:name="parse.ParsePushService" />
    <receiver android:name="parse.ParsePushBroadcastReceiver" android:permission="com.google.android.c2dm.permission.SEND">
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.RECEIVE" />
            <action android:name="com.google.android.c2dm.intent.REGISTRATION" />
            <category android:name="my.package.name" />
        </intent-filter>
    </receiver>
    </application>
    <compatible-screens>
        <!--all normal size screens -->
        <screen android:screenSize="normal" android:screenDensity="ldpi" />
        <screen android:screenSize="normal" android:screenDensity="mdpi" />
        <screen android:screenSize="normal" android:screenDensity="hdpi" />
        <screen android:screenSize="normal" android:screenDensity="xhdpi" />
        <!-- all large size screens -->
        <screen android:screenSize="large" android:screenDensity="ldpi" />
        <screen android:screenSize="large" android:screenDensity="mdpi" />
        <screen android:screenSize="large" android:screenDensity="hdpi" />
        <screen android:screenSize="large" android:screenDensity="xhdpi" />
        <!-- all xlarge size screens -->
        <screen android:screenSize="xlarge" android:screenDensity="ldpi" />
        <screen android:screenSize="xlarge" android:screenDensity="mdpi" />
        <screen android:screenSize="xlarge" android:screenDensity="hdpi" />
        <screen android:screenSize="xlarge" android:screenDensity="xhdpi" />
        <!-- Special case for Nexus 7 -->
        <screen android:screenSize="large" android:screenDensity="213" />
     </compatible-screens>
</manifest>

Recebi alguns e-mails informando que os tablets não eram compatíveis, então tentei 1 tablet físico e 2 tablets virtuais e eles realmente não eram compatíveis.

Preciso ter outra coisa? Ou o problema está no console do desenvolvedor do Google Play?