UPDATE: Changed app icon, prepare for alpha-release

app/build.gradle

@@ -15,13 +15,14 @@ android {
         minSdkVersion 23
         targetSdkVersion 30
         versionCode 1
-        versionName "1.0"
+        versionName "0.1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
         release {
             minifyEnabled true
+            shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -1,30 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
     android:width="108dp"
     android:height="108dp"
     android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="85.84757"
-                android:endY="92.4963"
-                android:startX="42.9492"
-                android:startY="49.59793"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000" />
+    android:viewportHeight="108"
+    android:tint="#FFFFFF">
+  <group android:scaleX="0.39303783"
+      android:scaleY="0.39303783"
+      android:translateX="36.156082"
+      android:translateY="15.953924">
+    <group android:translateY="134.64005">
+      <path android:pathData="M78.90625,-49.53125Q78.90625,-32.703125,74.078125,-21.171875Q69.265625,-9.65625,58.46875,-3.46875Q68.546875,-1.3125,74.296875,4.078125Q80.0625,9.484375,83.515625,19.984375L72.140625,24.734375Q67.390625,12.515625,60.625,6.75Q53.859375,1,41.765625,1Q30.8125,1,23.03125,-5.265625Q15.265625,-11.53125,11.15625,-22.828125Q7.0625,-34.140625,7.0625,-49.25Q7.0625,-64.21875,11.15625,-75.8125Q15.265625,-87.40625,23.390625,-93.953125Q31.53125,-100.5,43.0625,-100.5Q54.578125,-100.5,62.640625,-94.09375Q70.703125,-87.6875,74.796875,-76.234375Q78.90625,-64.78125,78.90625,-49.53125ZM69.265625,-49.53125Q69.265625,-92,43.0625,-92Q16.703125,-92,16.703125,-49.25Q16.703125,-28.8125,23.25,-18Q29.8125,-7.203125,43.0625,-7.203125Q69.265625,-7.203125,69.265625,-49.53125Z"
+          android:fillColor="#FFFFFF"/>
+    </group>
+  </group>
 </vector>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>

app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#3700B3</color>
+</resources>