diff --git a/build.gradle b/build.gradle
index f433729..dd90597 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ dependencies {
 
 android {
     compileSdkVersion 21
-    buildToolsVersion "21.0.2"
+    buildToolsVersion "21.1.2"
     lintOptions.abortOnError false
 
     sourceSets {
diff --git a/src/com/google/android/gms/common/api/Result.java b/src/com/google/android/gms/common/api/Result.java
new file mode 100644
index 0000000..d840811
--- /dev/null
+++ b/src/com/google/android/gms/common/api/Result.java
@@ -0,0 +1,8 @@
+package com.google.android.gms.common.api;
+
+/**
+ * Represents the final result of invoking an API method in Google Play Services.
+ */
+public interface Result {
+    public Status getStatus();
+}
diff --git a/src/com/google/android/gms/common/api/Status.java b/src/com/google/android/gms/common/api/Status.java
new file mode 100644
index 0000000..1431f98
--- /dev/null
+++ b/src/com/google/android/gms/common/api/Status.java
@@ -0,0 +1,79 @@
+package com.google.android.gms.common.api;
+
+import android.app.PendingIntent;
+import org.microg.safeparcel.AutoSafeParcelable;
+
+/**
+ * Represents the results of work.
+ * <p/>
+ * TODO: Docs
+ */
+public final class Status extends AutoSafeParcelable implements Result {
+    private static final int STATUS_CODE_INTERRUPTED = 14;
+    private static final int STATUS_CODE_CANCELED = 16;
+
+    public static final Status INTERRUPTED = new Status(STATUS_CODE_INTERRUPTED);
+    public static final Status CANCELED = new Status(STATUS_CODE_CANCELED);
+
+    private final int versionCode;
+    private final int statusCode;
+    private final String statusMessage;
+    private final PendingIntent resolution;
+
+    private Status() {
+        versionCode = 1;
+        statusCode = 0;
+        statusMessage = null;
+        resolution = null;
+    }
+
+    public Status(int statusCode) {
+        this(statusCode, null);
+    }
+
+    public Status(int statusCode, String statusMessage) {
+        this(statusCode, statusMessage, null);
+    }
+
+    public Status(int statusCode, String statusMessage, PendingIntent resolution) {
+        this.versionCode = 1;
+        this.statusCode = statusCode;
+        this.statusMessage = statusMessage;
+        this.resolution = resolution;
+    }
+
+    public PendingIntent getResolution() {
+        return resolution;
+    }
+
+    public int getStatusCode() {
+        return statusCode;
+    }
+
+    public String getStatusMessage() {
+        return statusMessage;
+    }
+
+    public boolean hasResolution() {
+        return resolution != null;
+    }
+
+    public boolean isCanceled() {
+        return statusCode == STATUS_CODE_CANCELED;
+    }
+
+    public boolean isInterrupted() {
+        return statusCode == STATUS_CODE_INTERRUPTED;
+    }
+
+    public boolean isSuccess() {
+        return statusCode <= 0;
+    }
+
+    @Override
+    public Status getStatus() {
+        return this;
+    }
+
+    public static final Creator<Status> CREATOR = new AutoCreator<>(Status.class);
+}
diff --git a/src/org/microg/gms/Constants.java b/src/org/microg/gms/Constants.java
index a855bbc..8e6c684 100644
--- a/src/org/microg/gms/Constants.java
+++ b/src/org/microg/gms/Constants.java
@@ -9,6 +9,7 @@ public class Constants {
     public static final String ACTION_GMS_LOCATION_MANAGER_SERVICE_START = "com.google.android.location.internal.GoogleLocationManagerService.START";
     public static final String KEY_MOCK_LOCATION = "mockLocation";
     public static final String DEFAULT_ACCOUNT = "<<default account>>";
+    public static final String GMS_PACKAGE_NAME = "com.google.android.gms";
 
     /**
      * No base map tiles.