diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 7b46144..ce86a83 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -7,7 +7,7 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="11" />
+        <option name="gradleJvm" value="corretto-11" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 4bb3034..bb006b6 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -5,7 +5,7 @@
     <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
     <option name="myNullables">
       <value>
-        <list size="12">
+        <list size="13">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
@@ -18,12 +18,13 @@
           <item index="9" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
           <item index="10" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.Nullable" />
           <item index="11" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableType" />
+          <item index="12" class="java.lang.String" itemvalue="org.jspecify.nullness.Nullable" />
         </list>
       </value>
     </option>
     <option name="myNotNulls">
       <value>
-        <list size="11">
+        <list size="12">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
@@ -35,11 +36,12 @@
           <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullType" />
           <item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullDecl" />
           <item index="10" class="java.lang.String" itemvalue="org.eclipse.jdt.annotation.NonNull" />
+          <item index="11" class="java.lang.String" itemvalue="org.jspecify.nullness.NonNull" />
         </list>
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8 (1)" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="corretto-11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 277f1a7..90cdeda 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -10,9 +10,9 @@
 
     <application
         android:allowBackup="true"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@drawable/ic_shortcut_mfva"
         android:label="@string/app_name"
-        android:roundIcon="@mipmap/ic_launcher_round"
+        android:roundIcon="@drawable/ic_shortcut_mfva"
         android:supportsRtl="true"
         android:theme="@style/Theme.AppCompat.Light.NoActionBar">
         <activity
diff --git a/app/src/main/res/drawable-hdpi/ic_shortcut_mfva.png b/app/src/main/res/drawable-hdpi/ic_shortcut_mfva.png
new file mode 100644
index 0000000..0849108
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_shortcut_mfva.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_shortcut_mfva.png b/app/src/main/res/drawable-mdpi/ic_shortcut_mfva.png
new file mode 100644
index 0000000..9788c4d
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_shortcut_mfva.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_shortcut_mfva.png b/app/src/main/res/drawable-xhdpi/ic_shortcut_mfva.png
new file mode 100644
index 0000000..517d27b
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_shortcut_mfva.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_shortcut_mfva.png b/app/src/main/res/drawable-xxhdpi/ic_shortcut_mfva.png
new file mode 100644
index 0000000..fffe3f5
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_shortcut_mfva.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_shortcut_mfva.png b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_mfva.png
new file mode 100644
index 0000000..f3c7f59
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_mfva.png differ