Update

apps/mobile/android/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,6 @@
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+  <item android:drawable="@color/splashscreen_background"/>
+  <item>
+    <bitmap android:gravity="center" android:src="@drawable/splashscreen_logo"/>
+  </item>
+</layer-list>

apps/mobile/android/app/src/main/res/drawable/rn_edit_text_material.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+       android:insetLeft="@dimen/abc_edit_text_inset_horizontal_material"
+       android:insetRight="@dimen/abc_edit_text_inset_horizontal_material"
+       android:insetTop="@dimen/abc_edit_text_inset_top_material"
+       android:insetBottom="@dimen/abc_edit_text_inset_bottom_material"
+       >
+
+    <selector>
+        <!--
+          This file is a copy of abc_edit_text_material (https://bit.ly/3k8fX7I).
+          The item below with state_pressed="false" and state_focused="false" causes a NullPointerException.
+          NullPointerException:tempt to invoke virtual method 'android.graphics.drawable.Drawable android.graphics.drawable.Drawable$ConstantState.newDrawable(android.content.res.Resources)'
+
+          <item android:state_pressed="false" android:state_focused="false" android:drawable="@drawable/abc_textfield_default_mtrl_alpha"/>
+
+          For more info, see https://bit.ly/3CdLStv (react-native/pull/29452) and https://bit.ly/3nxOMoR.
+        -->
+        <item android:state_enabled="false" android:drawable="@drawable/abc_textfield_default_mtrl_alpha"/>
+        <item android:drawable="@drawable/abc_textfield_activated_mtrl_alpha"/>
+    </selector>
+
+</inset>

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/iconBackground"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

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

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/iconBackground"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

apps/mobile/android/app/src/main/res/values-night/colors.xml

@@ -0,0 +1 @@
+<resources/>

apps/mobile/android/app/src/main/res/values/colors.xml

@@ -0,0 +1,7 @@
+<resources>
+  <color name="splashscreen_background">#1a1a2e</color>
+  <color name="iconBackground">#1a1a2e</color>
+  <color name="colorPrimary">#023c69</color>
+  <color name="colorPrimaryDark">#1a1a2e</color>
+  <color name="notification_icon_color">#e94560</color>
+</resources>

apps/mobile/android/app/src/main/res/values/strings.xml

@@ -0,0 +1,5 @@
+<resources>
+  <string name="app_name">Sauci</string>
+  <string name="expo_splash_screen_resize_mode" translatable="false">contain</string>
+  <string name="expo_splash_screen_status_bar_translucent" translatable="false">false</string>
+</resources>

apps/mobile/android/app/src/main/res/values/styles.xml

@@ -0,0 +1,17 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+  <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+    <item name="android:textColor">@android:color/black</item>
+    <item name="android:editTextStyle">@style/ResetEditText</item>
+    <item name="android:editTextBackground">@drawable/rn_edit_text_material</item>
+    <item name="colorPrimary">@color/colorPrimary</item>
+    <item name="android:statusBarColor">#1a1a2e</item>
+  </style>
+  <style name="ResetEditText" parent="@android:style/Widget.EditText">
+    <item name="android:padding">0dp</item>
+    <item name="android:textColorHint">#c8c8c8</item>
+    <item name="android:textColor">@android:color/black</item>
+  </style>
+  <style name="Theme.App.SplashScreen" parent="AppTheme">
+    <item name="android:windowBackground">@drawable/ic_launcher_background</item>
+  </style>
+</resources>