diff --git a/app/release/app-release-4.2.1p.apk b/app/release/app-release-4.2.1r.apk
similarity index 84%
rename from app/release/app-release-4.2.1p.apk
rename to app/release/app-release-4.2.1r.apk
index 4b33b03..2e57e74 100644
Binary files a/app/release/app-release-4.2.1p.apk and b/app/release/app-release-4.2.1r.apk differ
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index e672e37..8983803 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,7 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:versionCode="133"
-    android:versionName="4.2.1q">
+    android:versionName="4.2.1r">
     <!-- android:allowBackup="false" -->
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
diff --git a/app/src/main/java/uk/org/openseizuredetector/MainActivity2.java b/app/src/main/java/uk/org/openseizuredetector/MainActivity2.java
index d711c06..fdaabb1 100644
--- a/app/src/main/java/uk/org/openseizuredetector/MainActivity2.java
+++ b/app/src/main/java/uk/org/openseizuredetector/MainActivity2.java
@@ -21,6 +21,7 @@ import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.Button;
 import android.widget.TextView;
 
@@ -154,6 +155,10 @@ public class MainActivity2 extends AppCompatActivity {
         } catch (Exception ex) {
             Log.e(TAG, "exception starting main activity " + ex.toString());
         }
+
+        // Force the screen to stay on when the app is running
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+
     }
 
 
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 265a121..b5b8fc1 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -2,12 +2,15 @@
 
     <!-- Base application theme. -->
     <style name="AppTheme" parent="Theme.MaterialComponents.DayNight">
-        <!-- Customize your theme here. -->
+        <!-- Customize your theme here.
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">@color/colorAccent</item>
+        <item name="android:textColorPrimary">#a0a0a0</item>
+        -->
     </style>
 
+
 </resources>
 
 
diff --git a/app/src/main/res/xml/general_prefs.xml b/app/src/main/res/xml/general_prefs.xml
index 07ebda0..aade2d7 100644
--- a/app/src/main/res/xml/general_prefs.xml
+++ b/app/src/main/res/xml/general_prefs.xml
@@ -55,13 +55,14 @@
         android:key="OSDUrl"
         android:summary="@string/remote_url_summary"
         android:title="@string/remote_url_title" />
-        -->
+
 
     <CheckBoxPreference
         android:defaultValue="false"
         android:key="PreventSleep"
         android:summary="@string/prevent_sleep_summary"
         android:title="@string/prevent_sleep_title" />
+        -->
     <!--<EditTextPreference
         android:defaultValue="1000"
         android:key="UpdatePeriod"