menu.xml

 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
   <item android:id="@+id/save"
         android:title="@string/save"
         android:icon="@android:drawable/ic_menu_save"
         />
   <item android:id="@+id/delete"
         android:title="@string/delete"
         android:icon="@android:drawable/ic_menu_delete"
         />
   <item android:id="@+id/end"
         android:title="@string/end"
         android:icon="@android:drawable/ic_menu_close_clear_cancel"
         />
 </menu>

activity

 @Override
 public boolean onOptionsItemSelected(MenuItem item) {
     switch (item.getItemId()) {
     case R.id.save:
         //newGame();
     case R.id.delete:
         break;
     case R.id.end:
         break;
     default:
         break;
     }
     return super.onOptionsItemSelected(item);
 }