diff --git a/README.md b/README.md
index 2058c61..209691e 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,8 @@ Builds upon the [WebView GM library](https://github.com/wbayer/webview-gm) demo
             * _data:_
         * _ArrayBuffer_
         * _Uint8Array_
+      - only works on devices running API 19 (Android 4.4 KitKat) and higher
+        * requires [SAF](https://developer.android.com/guide/topics/providers/document-provider)
     * `GM_fetch`
       - drop-in replacement for `window.fetch` that uses `GM_xmlhttpRequest` to make network requests
     * `GM_info`
@@ -218,6 +220,17 @@ Builds upon the [WebView GM library](https://github.com/wbayer/webview-gm) demo
     ```
   - the interface uses _Chrome DevTools_
 
+#### AdBlock Settings
+
+* enable AdBlock
+  - default: _true_
+* custom Blocklist URL
+  - default: [pgl.yoyo.org](https://pgl.yoyo.org/adservers/serverlist.php?hostformat=nohtml&showintro=0&mimetype=plaintext)
+  - note: if this URL is empty or cannot be downloaded, a static copy of the default blocklist that is included in the app will be used
+* custom Blocklist update interval
+  - number of days to wait before downloading a fresh copy of the blocklist
+  - default: _7_
+
 #### Security
 
 1. closure
diff --git a/android-studio-project/constants.gradle b/android-studio-project/constants.gradle
index 08b031b..a62dc03 100644
--- a/android-studio-project/constants.gradle
+++ b/android-studio-project/constants.gradle
@@ -1,6 +1,6 @@
 project.ext {
-    releaseVersionCode  = Integer.parseInt("004070011", 10)  //Integer.MAX_VALUE == 2147483647
-    releaseVersion      = '004.07.00-11API'
+    releaseVersionCode  = Integer.parseInt("004080011", 10)  //Integer.MAX_VALUE == 2147483647
+    releaseVersion      = '004.08.00-11API'
     javaVersion         = JavaVersion.VERSION_1_8
     minSdkVersion       = 11
     targetSdkVersion    = 33