diff --git a/android/Omnivore/app/src/main/graphql/CreateHighlight.graphql b/android/Omnivore/app/src/main/graphql/CreateHighlight.graphql
new file mode 100644
index 000000000..d4417067d
--- /dev/null
+++ b/android/Omnivore/app/src/main/graphql/CreateHighlight.graphql
@@ -0,0 +1,13 @@
+mutation CreateHighlight($input: CreateHighlightInput!) {
+  createHighlight(input: $input) {
+    ... on CreateHighlightSuccess {
+      highlight {
+        ...HighlightFields
+      }
+    }
+
+    ... on CreateHighlightError {
+      errorCodes
+    }
+  }
+}
diff --git a/android/Omnivore/app/src/main/graphql/DeleteHighlight.graphql b/android/Omnivore/app/src/main/graphql/DeleteHighlight.graphql
new file mode 100644
index 000000000..e61011a3e
--- /dev/null
+++ b/android/Omnivore/app/src/main/graphql/DeleteHighlight.graphql
@@ -0,0 +1,12 @@
+mutation DeleteHighlight($highlightId: ID!) {
+  deleteHighlight(highlightId: $highlightId) {
+    ... on DeleteHighlightSuccess {
+      highlight {
+        id
+      }
+    }
+    ... on DeleteHighlightError {
+      errorCodes
+    }
+  }
+}
diff --git a/android/Omnivore/app/src/main/graphql/ReadingProgressMutation.graphql b/android/Omnivore/app/src/main/graphql/ReadingProgressMutation.graphql
new file mode 100644
index 000000000..80a30eea1
--- /dev/null
+++ b/android/Omnivore/app/src/main/graphql/ReadingProgressMutation.graphql
@@ -0,0 +1,14 @@
+mutation SaveArticleReadingProgress($input: SaveArticleReadingProgressInput!) {
+  saveArticleReadingProgress(input: $input) {
+    ... on SaveArticleReadingProgressSuccess {
+      updatedArticle {
+        id
+        readingProgressPercent
+        readingProgressAnchorIndex
+      }
+    }
+    ... on SaveArticleReadingProgressError {
+      errorCodes
+    }
+  }
+}
diff --git a/android/Omnivore/app/src/main/graphql/UpdateHighlight.graphql b/android/Omnivore/app/src/main/graphql/UpdateHighlight.graphql
new file mode 100644
index 000000000..18f93dcea
--- /dev/null
+++ b/android/Omnivore/app/src/main/graphql/UpdateHighlight.graphql
@@ -0,0 +1,13 @@
+mutation UpdateHighlight($input: UpdateHighlightInput!) {
+  updateHighlight(input: $input) {
+    ... on UpdateHighlightSuccess {
+      highlight {
+        id
+      }
+    }
+
+    ... on UpdateHighlightError {
+      errorCodes
+    }
+  }
+}
diff --git a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/HighlightMutations.kt b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/HighlightMutations.kt
new file mode 100644
index 000000000..8c418d63e
--- /dev/null
+++ b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/HighlightMutations.kt
@@ -0,0 +1,36 @@
+package app.omnivore.omnivore.networking
+
+import android.util.Log
+import app.omnivore.omnivore.graphql.generated.CreateHighlightMutation
+import app.omnivore.omnivore.graphql.generated.type.CreateHighlightInput
+import com.apollographql.apollo3.api.Optional
+import com.google.gson.Gson
+
+data class CreateHighlightParams(
+   val shortId: String?,
+   val highlightID: String?,
+   val quote: String?,
+   val patch: String?,
+   val articleId: String?,
+   val `annotation`: String?
+) {
+  fun asCreateHighlightInput() = CreateHighlightInput(
+    annotation = Optional.presentIfNotNull(`annotation`),
+    articleId = articleId ?: "",
+    id = highlightID ?: "",
+    patch = patch ?: "",
+    quote = quote ?: "",
+    shortId = shortId ?: ""
+  )
+}
+
+suspend fun Networker.createHighlight(jsonString: String): Boolean {
+  val input = Gson().fromJson(jsonString, CreateHighlightParams::class.java).asCreateHighlightInput()
+
+  Log.d("Loggo", "created highlight input: $input")
+
+  val result = authenticatedApolloClient().mutation(CreateHighlightMutation(input)).execute()
+
+  val highlight = result.data?.createHighlight?.onCreateHighlightSuccess?.highlight
+  return highlight != null
+}
diff --git a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/ReadingProgressMutations.kt b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/ReadingProgressMutations.kt
new file mode 100644
index 000000000..f6670efe3
--- /dev/null
+++ b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/ReadingProgressMutations.kt
@@ -0,0 +1,36 @@
+package app.omnivore.omnivore.networking
+
+import app.omnivore.omnivore.graphql.generated.SaveArticleReadingProgressMutation
+import app.omnivore.omnivore.graphql.generated.type.SaveArticleReadingProgressInput
+
+
+import android.util.Log
+import com.google.gson.Gson
+
+data class ReadingProgressParams(
+  val id: String?,
+  val readingProgressPercent: Double?,
+  val readingProgressAnchorIndex: Int?
+) {
+  fun asSaveReadingProgressInput() = SaveArticleReadingProgressInput(
+    id = id ?: "",
+    readingProgressPercent = readingProgressPercent ?: 0.0,
+    readingProgressAnchorIndex = readingProgressAnchorIndex ?: 0
+  )
+}
+
+suspend fun Networker.updateReadingProgress(jsonString: String): Boolean {
+  val input = Gson().fromJson(jsonString, ReadingProgressParams::class.java).asSaveReadingProgressInput()
+
+  Log.d("Loggo", "created reading progress input: $input")
+
+  val result = authenticatedApolloClient()
+    .mutation(SaveArticleReadingProgressMutation(input))
+    .execute()
+
+  val articleID = result.data?.saveArticleReadingProgress?.onSaveArticleReadingProgressSuccess?.updatedArticle?.id
+
+  Log.d("Loggo", "updated article with id: $articleID")
+
+  return articleID != null
+}
diff --git a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/SearchQuery.kt b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/SearchQuery.kt
index a658a3aea..7086c123e 100644
--- a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/SearchQuery.kt
+++ b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/networking/SearchQuery.kt
@@ -22,7 +22,7 @@ suspend fun Networker.search(
     )
   ).execute()
 
-  val cursor = result.data?.search?.onSearchSuccess?.pageInfo?.endCursor
+  val newCursor = result.data?.search?.onSearchSuccess?.pageInfo?.endCursor
   val itemList = result.data?.search?.onSearchSuccess?.edges ?: listOf()
 
   val items = itemList.map {
@@ -49,5 +49,5 @@ suspend fun Networker.search(
     )
   }
 
-  return SearchQueryResponse(cursor, items)
+  return SearchQueryResponse(newCursor, items)
 }
diff --git a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/AnnotationEditView.kt b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/AnnotationEditView.kt
new file mode 100644
index 000000000..e308250e2
--- /dev/null
+++ b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/AnnotationEditView.kt
@@ -0,0 +1,68 @@
+package app.omnivore.omnivore.ui.reader
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.unit.dp
+
+// TODO: better layout and styling for this view
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun AnnotationEditView(
+  initialAnnotation: String,
+  onSave: (String) -> Unit,
+  onCancel: () -> Unit,
+) {
+  val annotation = remember { mutableStateOf(initialAnnotation) }
+
+  Column(
+    modifier = Modifier
+      .clip(RoundedCornerShape(4.dp))
+      .background(MaterialTheme.colorScheme.background)
+      .padding(8.dp),
+  ) {
+    Column(
+      modifier = Modifier.padding(16.dp),
+    ) {
+      Text(text = "Note")
+
+      Spacer(modifier = Modifier.height(8.dp))
+
+      TextField(
+        value = annotation.value,
+        onValueChange = { annotation.value = it }
+      )
+    }
+
+    Spacer(modifier = Modifier.height(8.dp))
+
+    Row(
+      modifier = Modifier.align(Alignment.End)
+    ) {
+      Button(
+        onClick = {
+          onCancel()
+        }
+      ) {
+        Text("Cancel")
+      }
+
+      Spacer(modifier = Modifier.width(8.dp))
+
+      Button(
+        onClick = {
+          onSave(annotation.value)
+        }
+      ) {
+        Text("Save")
+      }
+    }
+  }
+}
diff --git a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebReader.kt b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebReader.kt
index 98401f013..c141a78ef 100644
--- a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebReader.kt
+++ b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebReader.kt
@@ -8,12 +8,17 @@ import android.view.*
 import android.webkit.JavascriptInterface
 import android.webkit.WebView
 import android.webkit.WebViewClient
+import androidx.compose.foundation.layout.Box
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.viewinterop.AndroidView
 import app.omnivore.omnivore.R
+import app.omnivore.omnivore.networking.ReadingProgressParams
+import com.google.gson.Gson
 import org.json.JSONObject
 
 
@@ -36,6 +41,11 @@ fun WebReaderLoadingContainer(slug: String, webReaderViewModel: WebReaderViewMod
 @SuppressLint("SetJavaScriptEnabled")
 @Composable
 fun WebReader(params: WebReaderParams, webReaderViewModel: WebReaderViewModel) {
+  // TODO: maybe handle cases where js can be queued up?
+  val javascriptToExecute = remember { mutableStateOf<String?>(null) }
+
+  val annotation: String? by webReaderViewModel.annotationLiveData.observeAsState(null)
+
   WebView.setWebContentsDebuggingEnabled(true)
 
   val webReaderContent = WebReaderContent(
@@ -51,39 +61,81 @@ fun WebReader(params: WebReaderParams, webReaderViewModel: WebReaderViewModel) {
 
   val styledContent = webReaderContent.styledContent()
 
-  AndroidView(factory = {
-    OmnivoreWebView(it).apply {
-      layoutParams = ViewGroup.LayoutParams(
-        ViewGroup.LayoutParams.MATCH_PARENT,
-        ViewGroup.LayoutParams.MATCH_PARENT
+  Box {
+    AndroidView(factory = {
+      OmnivoreWebView(it).apply {
+        layoutParams = ViewGroup.LayoutParams(
+          ViewGroup.LayoutParams.MATCH_PARENT,
+          ViewGroup.LayoutParams.MATCH_PARENT
+        )
+
+        settings.javaScriptEnabled = true
+        settings.allowContentAccess = true
+        settings.allowFileAccess = true
+        settings.domStorageEnabled = true
+
+        webViewClient = object : WebViewClient() {
+        }
+
+        val javascriptInterface = AndroidWebKitMessenger { actionID, json ->
+          when (actionID) {
+            "existingHighlightTap" -> {
+              isExistingHighlightSelected = true
+              actionTapCoordinates = Gson().fromJson(json, ActionTapCoordinates::class.java)
+              Log.d("Loggo", "receive existing highlight tap action: $actionTapCoordinates")
+              startActionMode(null, ActionMode.TYPE_PRIMARY)
+            }
+            else -> {
+              webReaderViewModel.handleIncomingWebMessage(actionID, json)
+            }
+          }
+        }
+
+        addJavascriptInterface(javascriptInterface, "AndroidWebKitMessenger")
+
+        loadDataWithBaseURL(
+          "file:///android_asset/",
+          styledContent,
+          "text/html; charset=utf-8",
+          "utf-8",
+          null
+        )
+      }
+    }, update = {
+      if (javascriptToExecute.value != null) {
+        it.evaluateJavascript(javascriptToExecute.value!!, null)
+      }
+    })
+
+    if (annotation != null) {
+      AnnotationEditView(
+        initialAnnotation = annotation!!,
+        onSave = {
+          val script = "var event = new Event('saveAnnotation');event.annotation = '$it';document.dispatchEvent(event);"
+          javascriptToExecute.value = script
+          webReaderViewModel.cancelAnnotationEdit()
+        },
+        onCancel = {
+          webReaderViewModel.cancelAnnotationEdit()
+        }
       )
-
-      settings.javaScriptEnabled = true
-      settings.allowContentAccess = true
-      settings.allowFileAccess = true
-      settings.domStorageEnabled = true
-
-      webViewClient = object : WebViewClient() {
-      }
-
-      val javascriptInterface = AndroidWebKitMessenger { actionID, json ->
-        webReaderViewModel.handleIncomingWebMessage(actionID, json)
-      }
-
-      addJavascriptInterface(javascriptInterface, "AndroidWebKitMessenger")
-      loadDataWithBaseURL("file:///android_asset/", styledContent, "text/html; charset=utf-8", "utf-8", null);
-
     }
-  }, update = {
-    it.loadDataWithBaseURL("file:///android_asset/", styledContent, "text/html; charset=utf-8", "utf-8", null);
-  })
+  }
 }
 
 class OmnivoreWebView(context: Context) : WebView(context) {
+  var isExistingHighlightSelected = false
+  var actionTapCoordinates: ActionTapCoordinates? = null
+
   private val actionModeCallback = object : ActionMode.Callback2() {
     // Called when the action mode is created; startActionMode() was called
     override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
-      mode.menuInflater.inflate(R.menu.text_selection_menu, menu)
+      if (isExistingHighlightSelected) {
+        mode.menuInflater.inflate(R.menu.highlight_selection_menu, menu)
+        isExistingHighlightSelected = false
+      } else {
+        mode.menuInflater.inflate(R.menu.text_selection_menu, menu)
+      }
       return true
     }
 
@@ -97,7 +149,8 @@ class OmnivoreWebView(context: Context) : WebView(context) {
     override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
       return when (item.itemId) {
         R.id.annotate -> {
-          Log.d("Loggo", "Annotate action selected")
+          val script = "var event = new Event('annotate');document.dispatchEvent(event);"
+          evaluateJavascript(script, null)
           mode.finish()
           true
         }
@@ -108,6 +161,13 @@ class OmnivoreWebView(context: Context) : WebView(context) {
           mode.finish()
           true
         }
+        R.id.delete -> {
+          val script = "var event = new Event('remove');document.dispatchEvent(event);"
+          evaluateJavascript(script, null)
+          clearFocus()
+          mode.finish()
+          true
+        }
         else -> {
           Log.d("Loggo", "${item.itemId} selected")
           false
@@ -117,35 +177,44 @@ class OmnivoreWebView(context: Context) : WebView(context) {
 
     // Called when the user exits the action mode
     override fun onDestroyActionMode(mode: ActionMode) {
-//      actionMode = null
+      Log.d("Loggo", "destroying menu: $mode")
+      isExistingHighlightSelected = false
+      actionTapCoordinates = null
     }
 
     override fun onGetContentRect(mode: ActionMode?, view: View?, outRect: Rect?) {
+      Log.d("Loggo", "outRect: $outRect, View: $view")
       outRect?.set(left, top, right, bottom)
     }
   }
 
-  private var currentActionModeCallback: ActionMode.Callback? = actionModeCallback
-
   override fun startActionMode(callback: ActionMode.Callback?): ActionMode {
-    return super.startActionMode(currentActionModeCallback)
+    return super.startActionMode(actionModeCallback)
   }
 
   override fun startActionModeForChild(
     originalView: View?,
     callback: ActionMode.Callback?
   ): ActionMode {
-    return super.startActionModeForChild(originalView, currentActionModeCallback)
+    return super.startActionModeForChild(originalView, actionModeCallback)
   }
 
   override fun startActionMode(callback: ActionMode.Callback?, type: Int): ActionMode {
-    return super.startActionMode(currentActionModeCallback, type)
+    Log.d("Loggo", "startActionMode:type called")
+    return super.startActionMode(actionModeCallback, type)
   }
 }
 
-class AndroidWebKitMessenger(val messageHandler: (String, JSONObject) -> Unit) {
+class AndroidWebKitMessenger(val messageHandler: (String, String) -> Unit) {
   @JavascriptInterface
   fun handleIdentifiableMessage(actionID: String, jsonString: String) {
-    messageHandler(actionID, JSONObject(jsonString))
+    messageHandler(actionID, jsonString)
   }
 }
+
+data class ActionTapCoordinates(
+  val rectX: Double,
+  val rectY: Double,
+  val rectWidth: Double,
+  val rectHeight: Double,
+)
diff --git a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebReaderViewModel.kt b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebReaderViewModel.kt
index f05943dcb..cb0908ed5 100644
--- a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebReaderViewModel.kt
+++ b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/WebReaderViewModel.kt
@@ -6,8 +6,7 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import app.omnivore.omnivore.DatastoreRepository
 import app.omnivore.omnivore.models.LinkedItem
-import app.omnivore.omnivore.networking.Networker
-import app.omnivore.omnivore.networking.linkedItem
+import app.omnivore.omnivore.networking.*
 import com.google.gson.Gson
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.launch
@@ -19,12 +18,17 @@ data class WebReaderParams(
   val articleContent: ArticleContent
 )
 
+data class AnnotationWebViewMessage(
+  val annotation: String?
+)
+
 @HiltViewModel
 class WebReaderViewModel @Inject constructor(
   private val datastoreRepo: DatastoreRepository,
   private val networker: Networker
 ): ViewModel() {
   val webReaderParamsLiveData = MutableLiveData<WebReaderParams?>(null)
+  val annotationLiveData = MutableLiveData<String?>(null)
 
   fun loadItem(slug: String) {
     viewModelScope.launch {
@@ -45,37 +49,50 @@ class WebReaderViewModel @Inject constructor(
     }
   }
 
-  fun handleIncomingWebMessage(actionID: String, json: JSONObject) {
+  fun handleIncomingWebMessage(actionID: String, jsonString: String) {
     when (actionID) {
       "createHighlight" -> {
-        Log.d("Loggo", "receive create highlight action: $json")
+        viewModelScope.launch {
+          val isHighlightSynced = networker.createHighlight(jsonString)
+          Log.d("Network", "isHighlightSynced = $isHighlightSynced")
+        }
       }
       "deleteHighlight" -> {
         // { highlightId }
-        Log.d("Loggo", "receive delete highlight action: $json")
+        Log.d("Loggo", "receive delete highlight action: $jsonString")
       }
       "updateHighlight" -> {
-        Log.d("Loggo", "receive update highlight action: $json")
+        Log.d("Loggo", "receive update highlight action: $jsonString")
       }
       "articleReadingProgress" -> {
-        Log.d("Loggo", "received article reading progress action: $json")
+        viewModelScope.launch {
+          val isReadingProgressSynced = networker.updateReadingProgress(jsonString)
+          Log.d("Network", "isReadingProgressSynced = $isReadingProgressSynced")
+        }
       }
       "annotate" -> {
-        Log.d("Loggo", "received annotate action: $json")
-      }
-      "existingHighlightTap" -> {
-        Log.d("Loggo", "receive existing highlight tap action: $json")
+        viewModelScope.launch {
+          val annotation = Gson()
+            .fromJson(jsonString, AnnotationWebViewMessage::class.java)
+            .annotation ?: ""
+          annotationLiveData.value = annotation
+        }
       }
       "shareHighlight" -> {
         // unimplemented
       }
       else -> {
-        Log.d("Loggo", "receive unrecognized action of $actionID with json: $json")
+        Log.d("Loggo", "receive unrecognized action of $actionID with json: $jsonString")
       }
     }
   }
 
   fun reset() {
     webReaderParamsLiveData.value = null
+    annotationLiveData.value = null
+  }
+
+  fun cancelAnnotationEdit() {
+    annotationLiveData.value = null
   }
 }
diff --git a/android/Omnivore/app/src/main/res/menu/highlight_selection_menu.xml b/android/Omnivore/app/src/main/res/menu/highlight_selection_menu.xml
new file mode 100644
index 000000000..4cc6d8400
--- /dev/null
+++ b/android/Omnivore/app/src/main/res/menu/highlight_selection_menu.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/delete"
+        android:title="@string/delete_highlight_menu_title"
+        app:showAsAction="always">
+    </item>
+
+    <item
+        android:id="@+id/annotate"
+        android:title="@string/annotate_menu_action"
+        app:showAsAction="always">
+    </item>
+</menu>
diff --git a/android/Omnivore/app/src/main/res/values/strings.xml b/android/Omnivore/app/src/main/res/values/strings.xml
index 7bb14ba15..b6ed5d009 100644
--- a/android/Omnivore/app/src/main/res/values/strings.xml
+++ b/android/Omnivore/app/src/main/res/values/strings.xml
@@ -5,4 +5,5 @@
     <string name="welcome_subtitle">Save articles and read them later in our distraction-free reader.</string>
     <string name="highlight_menu_action">Highlight</string>
     <string name="annotate_menu_action">Annotate</string>
+    <string name="delete_highlight_menu_title">Delete</string>
 </resources>