Android - รบกวนช่วยดูหน่อยครับ Google api v2 บน android รันบนแทบเลตแล้วขึ้นจอขาวครับ

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="app.akexorcist.googlemapsv2"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />
    
    <uses-permission android:name="android.permission.INTERNET"/>
	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
	<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
	<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
	<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"  />
	
	<uses-feature android:glEsVersion="0x00020000" android:required="true" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="app.akexorcist.googlemapsv2.Main"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        
        <meta-data
		    android:name="com.google.android.maps.v2.API_KEY"
		    android:value="AIzaSyBhVKimkZ_bSE0E7g2LnCHZ3Asnu_4Qvqo"/>
        
        <meta-data
		    android:name="com.google.android.gms.version"
		    android:value="@integer/google_play_services_version" />
        
    </application>

</manifest>