Popup for showing the current operation and new app icon

This MR brings the following features;

• fix: bring the popup back for giving feedback to the user
• add: new icons for the app

src/android/res/drawable/ic_launcher_background.xml

@@ -4,10 +4,10 @@
     android:height="108dp"
     android:viewportWidth="108"
     android:viewportHeight="108">
-  <group android:scaleX="0.43"
-      android:scaleY="0.43"
-      android:translateX="30.78"
-      android:translateY="30.78">
+  <group android:scaleX="0.99"
+      android:scaleY="0.99"
+      android:translateX="0.54"
+      android:translateY="0.54">
     <path
         android:pathData="M0,13.5V108H94.5L108,94.5V0H13.5L0,13.5Z">
       <aapt:attr name="android:fillColor">