diff --git a/hyracks-examples/text-example/textapp/.classpath b/hyracks-examples/text-example/textapp/.classpath
index 3f62785..1a0f9bf 100644
--- a/hyracks-examples/text-example/textapp/.classpath
+++ b/hyracks-examples/text-example/textapp/.classpath
@@ -2,5 +2,5 @@
 <classpath>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.4"/>
 	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
-	<classpathentry kind="output" path="target/classes"/>
+	<classpathentry kind="output" path="target/android-classes"/>
 </classpath>
diff --git a/hyracks-examples/text-example/textclient/.classpath b/hyracks-examples/text-example/textclient/.classpath
index 1f3c1ff..9b2abd7 100644
--- a/hyracks-examples/text-example/textclient/.classpath
+++ b/hyracks-examples/text-example/textclient/.classpath
@@ -3,5 +3,5 @@
 	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
-	<classpathentry kind="output" path="target/classes"/>
+	<classpathentry kind="output" path="target/android-classes"/>
 </classpath>
diff --git a/hyracks-examples/text-example/textclient/src/main/java/edu/uci/ics/hyracks/examples/text/client/WordCountMain.java b/hyracks-examples/text-example/textclient/src/main/java/edu/uci/ics/hyracks/examples/text/client/WordCountMain.java
index b7a5639..b255258 100644
--- a/hyracks-examples/text-example/textclient/src/main/java/edu/uci/ics/hyracks/examples/text/client/WordCountMain.java
+++ b/hyracks-examples/text-example/textclient/src/main/java/edu/uci/ics/hyracks/examples/text/client/WordCountMain.java
@@ -37,6 +37,7 @@
 import edu.uci.ics.hyracks.dataflow.common.data.hash.UTF8StringBinaryHashFunctionFactory;
 import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer;
 import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
+import edu.uci.ics.hyracks.dataflow.common.data.normalizers.UTF8StringNormalizedKeyComputerFactory;
 import edu.uci.ics.hyracks.dataflow.common.data.partition.FieldHashPartitionComputerFactory;
 import edu.uci.ics.hyracks.dataflow.std.aggregators.CountAggregatorFactory;
 import edu.uci.ics.hyracks.dataflow.std.aggregators.IFieldValueResultingAggregatorFactory;
@@ -51,6 +52,7 @@
 import edu.uci.ics.hyracks.dataflow.std.group.HashGroupOperatorDescriptor;
 import edu.uci.ics.hyracks.dataflow.std.group.PreclusteredGroupOperatorDescriptor;
 import edu.uci.ics.hyracks.dataflow.std.sort.ExternalSortOperatorDescriptor;
+import edu.uci.ics.hyracks.dataflow.std.sort.InMemorySortOperatorDescriptor;
 import edu.uci.ics.hyracks.examples.text.WordTupleParserFactory;
 
 public class WordCountMain {
@@ -128,30 +130,32 @@
                 UTF8StringSerializerDeserializer.INSTANCE, IntegerSerializerDeserializer.INSTANCE });
 
         IOperatorDescriptor gBy;
+        int[] keys = new int[] { 0 };
         if ("hash".equalsIgnoreCase(algo)) {
-            gBy = new HashGroupOperatorDescriptor(spec, new int[] { 0 },
-                    new FieldHashPartitionComputerFactory(new int[] { 0 },
-                            new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE }),
+            gBy = new HashGroupOperatorDescriptor(spec, keys, new FieldHashPartitionComputerFactory(keys,
+                    new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE }),
                     new IBinaryComparatorFactory[] { UTF8StringBinaryComparatorFactory.INSTANCE },
                     new MultiAggregatorFactory(
                             new IFieldValueResultingAggregatorFactory[] { new CountAggregatorFactory() }),
                     groupResultDesc, htSize);
             gBy.setPartitionConstraint(createPartitionConstraint(outSplits));
             IConnectorDescriptor scanGroupConn = new MToNHashPartitioningConnectorDescriptor(spec,
-                    new FieldHashPartitionComputerFactory(new int[] { 0 },
+                    new FieldHashPartitionComputerFactory(keys,
                             new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE }));
             spec.connect(scanGroupConn, wordScanner, 0, gBy, 0);
         } else {
-            ExternalSortOperatorDescriptor sorter = new ExternalSortOperatorDescriptor(spec, sbSize, new int[] { 0 },
-                    new IBinaryComparatorFactory[] { UTF8StringBinaryComparatorFactory.INSTANCE }, wordDesc);
+            IBinaryComparatorFactory[] cfs = new IBinaryComparatorFactory[] { UTF8StringBinaryComparatorFactory.INSTANCE };
+            IOperatorDescriptor sorter = "memsort".equalsIgnoreCase(algo) ? new InMemorySortOperatorDescriptor(spec,
+                    keys, new UTF8StringNormalizedKeyComputerFactory(), cfs, wordDesc)
+                    : new ExternalSortOperatorDescriptor(spec, sbSize, keys, cfs, wordDesc);
             sorter.setPartitionConstraint(createPartitionConstraint(outSplits));
 
             IConnectorDescriptor scanSortConn = new MToNHashPartitioningConnectorDescriptor(spec,
-                    new FieldHashPartitionComputerFactory(new int[] { 0 },
+                    new FieldHashPartitionComputerFactory(keys,
                             new IBinaryHashFunctionFactory[] { UTF8StringBinaryHashFunctionFactory.INSTANCE }));
             spec.connect(scanSortConn, wordScanner, 0, sorter, 0);
 
-            gBy = new PreclusteredGroupOperatorDescriptor(spec, new int[] { 0 },
+            gBy = new PreclusteredGroupOperatorDescriptor(spec, keys,
                     new IBinaryComparatorFactory[] { UTF8StringBinaryComparatorFactory.INSTANCE },
                     new MultiAggregatorFactory(
                             new IFieldValueResultingAggregatorFactory[] { new CountAggregatorFactory() }),
diff --git a/hyracks-examples/text-example/texthelper/.classpath b/hyracks-examples/text-example/texthelper/.classpath
index 1f3c1ff..9b2abd7 100644
--- a/hyracks-examples/text-example/texthelper/.classpath
+++ b/hyracks-examples/text-example/texthelper/.classpath
@@ -3,5 +3,5 @@
 	<classpathentry kind="src" output="target/classes" path="src/main/java"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
-	<classpathentry kind="output" path="target/classes"/>
+	<classpathentry kind="output" path="target/android-classes"/>
 </classpath>