how to remove rate me on google and share option from settings

You have to comment out some code:

Under lwc_settings.xml:

Code (xml):

<PreferenceCategory
 android:title="Rate and Share"
 android:key="pcPromo">
</PreferenceCategory>

http://gyazo.com/a2a660f15402859b3fd1f33894f4e41b

Under LiveWallpaperSettings.java:

Code (java):

        // 1. Create Google Play Link (Rate Me)
        Preference rateMePreference = new Preference(this);    
        rateMePreference.setKey("rateMe");
        rateMePreference.setTitle("Rate Me (Google Play)");  
     
        String gplayUrl = "https://play.google.com/store/apps/details?id=" + getPackageName();
        rateMePreference.setOnPreferenceClickListener(new UrlOnPreferenceClickListener(gplayUrl));
        pcPromo.addPreference(rateMePreference);
     
        // 2. Create "Share Me" preference
        Preference shareMePreference = new Preference(this);    
        shareMePreference.setKey("shareMe");
        shareMePreference.setTitle("Share Me (send to a friend)");        
        shareMePreference.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
share();
return true;
}    
        });
        pcPromo.addPreference(shareMePreference);

http://gyazo.com/e957bc6f8941ab238ec765aff5960370