diff --git a/snowplow-tracker/src/main/java/com/snowplowanalytics/core/tracker/TrackerControllerImpl.kt b/snowplow-tracker/src/main/java/com/snowplowanalytics/core/tracker/TrackerControllerImpl.kt
index 51e4614ae..89103d3a1 100644
--- a/snowplow-tracker/src/main/java/com/snowplowanalytics/core/tracker/TrackerControllerImpl.kt
+++ b/snowplow-tracker/src/main/java/com/snowplowanalytics/core/tracker/TrackerControllerImpl.kt
@@ -12,6 +12,7 @@
  */
 package com.snowplowanalytics.core.tracker
 
+import android.net.Uri
 import androidx.annotation.RestrictTo
 import com.snowplowanalytics.core.Controller
 import com.snowplowanalytics.core.ecommerce.EcommerceControllerImpl
@@ -70,6 +71,34 @@ class TrackerControllerImpl  // Constructors
         return tracker.track(event)
     }
 
+    override fun decorateLink(uri: Uri, parameters: List<CrossDeviceParameters>): Uri {
+        var spParam: String? = uri.getQueryParameter("_sp")
+
+        val values = hashMapOf<CrossDeviceParameters, String>(
+            CrossDeviceParameters.session_id to (this.session?.sessionId ?: ""),
+            CrossDeviceParameters.source_id to this.appId,
+            CrossDeviceParameters.source_platform to this.devicePlatform.value,
+            CrossDeviceParameters.user_id to (this.session?.userId ?: "")
+        )
+
+
+        // No `_sp` param, we need to add it in
+        val spVals = arrayListOf<String>()
+        if (spParam.isNullOrBlank()) {
+            for (value in CrossDeviceParameters.values()) {
+                if (value in parameters) {
+                    values[value]?.let { spVals.add(it) }
+                } else {
+                    spVals.add("")
+                }
+            }
+
+            return Uri.parse("$uri&_sp=${spVals.joinToString(".")}")
+        }
+
+        return Uri.parse("garbage")
+    }
+
     override val version: String
         get() = BuildConfig.TRACKER_LABEL
     override val isTracking: Boolean
diff --git a/snowplow-tracker/src/main/java/com/snowplowanalytics/snowplow/controller/TrackerController.kt b/snowplow-tracker/src/main/java/com/snowplowanalytics/snowplow/controller/TrackerController.kt
index f32a80b89..e3d83ead7 100644
--- a/snowplow-tracker/src/main/java/com/snowplowanalytics/snowplow/controller/TrackerController.kt
+++ b/snowplow-tracker/src/main/java/com/snowplowanalytics/snowplow/controller/TrackerController.kt
@@ -12,6 +12,8 @@
  */
 package com.snowplowanalytics.snowplow.controller
 
+import android.net.Uri
+import com.snowplowanalytics.core.tracker.CrossDeviceParameters
 import com.snowplowanalytics.core.tracker.TrackerConfigurationInterface
 import com.snowplowanalytics.snowplow.ecommerce.EcommerceController
 import com.snowplowanalytics.snowplow.event.Event
@@ -36,9 +38,9 @@ interface TrackerController : TrackerConfigurationInterface {
      * It is used to identify the tracker when there are multiple trackers running in the same app.
      */
     val namespace: String
-    
+
     // Controllers
-    
+
     /**
      * NetworkController.
      * Note: don't retain the reference. It may change on tracker reconfiguration.
@@ -91,13 +93,13 @@ interface TrackerController : TrackerConfigurationInterface {
      * Note: don't retain the reference. It may change on tracker reconfiguration.
      */
     val ecommerce: EcommerceController
-    
+
     // Methods
-    
+
     /**
      * Track the event.
      * The tracker will process and send the event.
-     * 
+     *
      * @param event The event to track.
      * @return The event's unique ID, or null when tracking is paused
      */
@@ -116,4 +118,10 @@ interface TrackerController : TrackerConfigurationInterface {
      * The tracker will start tracking again.
      */
     fun resume()
+
+    /**
+     * Adds user and session information to a URI
+     * e.g. appSchema://path/to/page -> appSchema://path/to/page?_sp=userId.timestamp.sessionId.appId.platform
+     */
+    fun decorateLink(uri: Uri, parameters: List<CrossDeviceParameters> = CrossDeviceParameters.values().toList()): Uri
 }