diff --git a/app.json b/app.json
index 19aa076..30c5f79 100644
--- a/app.json
+++ b/app.json
@@ -3,9 +3,24 @@
     "name": "JR四国運行状況",
     "slug": "jrshikoku",
     "privacy": "public",
-    "platforms": [
-      "ios",
-      "android"
+    "platforms": ["ios", "android"],
+    "plugins": [
+      [
+        "react-native-android-widget",
+        {
+          "widgets": [
+            {
+              "name": "JR_shikoku_train_info",
+              "label": "My Hello Widget",
+              "minWidth": "320dp",
+              "minHeight": "120dp",
+              "description": "This is my first widget",
+              "previewImage": "./assets/icon.png",
+              "updatePeriodMillis": 1800000
+            }
+          ]
+        }
+      ]
     ],
     "version": "4.6",
     "orientation": "default",
@@ -19,9 +34,7 @@
       "fallbackToCacheTimeout": 0,
       "url": "https://u.expo.dev/398abf60-57a7-11e9-970c-8f04356d08bf"
     },
-    "assetBundlePatterns": [
-      "**/*"
-    ],
+    "assetBundlePatterns": ["**/*"],
     "ios": {
       "buildNumber": "31",
       "supportsTablet": true,
@@ -33,9 +46,7 @@
     "android": {
       "package": "jrshikokuinfo.xprocess.hrkn",
       "versionCode": 20,
-      "permissions": [
-        "ACCESS_FINE_LOCATION"
-      ],
+      "permissions": ["ACCESS_FINE_LOCATION"],
       "googleServicesFile": "./google-services.json",
       "config": {
         "googleMaps": {
diff --git a/components/AndroidWidget/HelloWidget.jsx b/components/AndroidWidget/HelloWidget.jsx
new file mode 100644
index 0000000..12741ad
--- /dev/null
+++ b/components/AndroidWidget/HelloWidget.jsx
@@ -0,0 +1,88 @@
+import React from "react";
+import { FlexWidget, TextWidget } from "react-native-android-widget";
+
+export function HelloWidget({ time, delayString }) {
+  return (
+    <FlexWidget
+      style={{
+        height: "match_parent",
+        width: "match_parent",
+        justifyContent: "center",
+        alignItems: "center",
+        backgroundColor: "#ffffff",
+        borderRadius: 16,
+      }}
+      clickAction="WIDGET_CLICK"
+    >
+      <FlexWidget
+        style={{
+          justifyContent: "center",
+          alignItems: "center",
+          backgroundColor: "#0099CC",
+          width: "match_parent",
+          flexDirection: "row",
+          padding: 10,
+        }}
+      >
+        <TextWidget
+          text={"列車遅延速報EX"}
+          style={{
+            fontSize: 30,
+            fontWeight: "bold",
+            fontFamily: "Inter",
+            color: "#fff",
+          }}
+        />
+        <FlexWidget style={{ flex: 1 }} />
+        <TextWidget
+          text={time}
+          style={{
+            fontSize: 32,
+            fontFamily: "Inter",
+            color: "#fff",
+          }}
+        />
+      </FlexWidget>
+      <FlexWidget
+        style={{ flex: 1, backgroundColor: "#fff", width: "match_parent" }}
+      >
+        {delayString ? (
+          delayString.map((d) => {
+            let data = d.split(" ");
+            return (
+              <FlexWidget
+                style={{
+                  flexDirection: "row",
+                  width: "match_parent",
+                  backgroundColor: "#ffffff",
+                }}
+                key={data[1]}
+              >
+                <TextWidget
+                  style={{ flex: 15, fontSize: 20, color: "#000000" }}
+                  text={data[0].replace("\n", "")}
+                />
+                <TextWidget
+                  style={{ flex: 5, fontSize: 20, color: "#000000" }}
+                  text={data[1]}
+                />
+                <TextWidget
+                  style={{ flex: 6, fontSize: 20, color: "#000000" }}
+                  text={data[3]}
+                />
+              </FlexWidget>
+            );
+          })
+        ) : (
+          <TextWidget
+            style={{
+              color: "#000000",
+            }}
+          >
+            現在、5分以上の遅れはありません。
+          </TextWidget>
+        )}
+      </FlexWidget>
+    </FlexWidget>
+  );
+}
diff --git a/components/AndroidWidget/HelloWidgetPreviewScreen.jsx b/components/AndroidWidget/HelloWidgetPreviewScreen.jsx
new file mode 100644
index 0000000..c2fa761
--- /dev/null
+++ b/components/AndroidWidget/HelloWidgetPreviewScreen.jsx
@@ -0,0 +1,25 @@
+import * as React from "react";
+import { StyleSheet, View } from "react-native";
+import { WidgetPreview } from "react-native-android-widget";
+
+import { HelloWidget } from "./HelloWidget";
+
+export function HelloWidgetPreviewScreen() {
+  return (
+    <View style={styles.container}>
+      <WidgetPreview
+        renderWidget={() => <HelloWidget />}
+        width={320}
+        height={200}
+      />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    alignItems: "center",
+    justifyContent: "center",
+  },
+});
diff --git a/components/AndroidWidget/widget-task-handler.jsx b/components/AndroidWidget/widget-task-handler.jsx
new file mode 100644
index 0000000..f644228
--- /dev/null
+++ b/components/AndroidWidget/widget-task-handler.jsx
@@ -0,0 +1,55 @@
+import React from "react";
+import { HelloWidget } from "./HelloWidget";
+import dayjs from "dayjs";
+import { ToastAndroid } from "react-native";
+
+const nameToWidget = {
+  // Hello will be the **name** with which we will reference our widget.
+  JR_shikoku_train_info: HelloWidget,
+};
+
+export async function widgetTaskHandler(props) {
+  const widgetInfo = props.widgetInfo;
+  const Widget = nameToWidget[widgetInfo.widgetName];
+  const time = dayjs().format("HH:mm");
+  ToastAndroid.show(
+    `Widget Action: ${props.widgetAction} ${time}`,
+    ToastAndroid.SHORT
+  );
+  const delayString = await fetch(
+    "https://script.google.com/macros/s/AKfycbyKxch7z7l8e07LXulRHqxjVoIiB13kcgvoToLE-rqlxLmLSKdlmqz0FI1F2EuA7Zfg/exec"
+  )
+    .then((response) => response.text())
+    .then((data) => {
+      if (data !== "") {
+        return data.split("^");
+      }
+      return null;
+    });
+  ToastAndroid.show(`${delayString}`, ToastAndroid.SHORT);
+  switch (props.widgetAction) {
+    case "WIDGET_ADDED":
+    case "WIDGET_UPDATE":
+    // Not needed for now
+    case "WIDGET_CLICK":
+    // Not needed for now
+    case "WIDGET_RESIZED":
+      // Not needed for now
+      props.renderWidget(<Widget time={time} delayString={delayString} />);
+
+      break;
+
+      break;
+
+      break;
+
+    case "WIDGET_DELETED":
+      // Not needed for now
+      break;
+
+      break;
+
+    default:
+      break;
+  }
+}
diff --git a/index.js b/index.js
new file mode 100644
index 0000000..9f717eb
--- /dev/null
+++ b/index.js
@@ -0,0 +1,11 @@
+import { registerRootComponent } from "expo";
+import { registerWidgetTaskHandler } from "react-native-android-widget";
+
+import App from "./App";
+import { widgetTaskHandler } from "./components/AndroidWidget/widget-task-handler";
+
+// registerRootComponent calls AppRegistry.registerComponent('main', () => App);
+// It also ensures that whether you load the app in Expo Go or in a native build,
+// the environment is set up appropriately
+registerRootComponent(App);
+registerWidgetTaskHandler(widgetTaskHandler);
diff --git a/package.json b/package.json
index bb9b5d2..a581036 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "main": "node_modules/expo/AppEntry.js",
+  "main": "index.js",
   "scripts": {
     "start": "expo start",
     "android": "expo start --android",
@@ -31,6 +31,7 @@
     "react": "18.2.0",
     "react-native": "0.72.6",
     "react-native-actions-sheet": "0.8.21",
+    "react-native-android-widget": "^0.11.2",
     "react-native-auto-height-image": "^3.2.4",
     "react-native-elements": "^3.4.2",
     "react-native-gesture-handler": "~2.12.0",
diff --git a/yarn.lock b/yarn.lock
index f14e0f2..a62d5b4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8684,6 +8684,11 @@ react-native-actions-sheet@0.8.21:
   resolved "https://registry.yarnpkg.com/react-native-actions-sheet/-/react-native-actions-sheet-0.8.21.tgz#d9175e7d5d862217f990b2ccc8a216fb4fc35b06"
   integrity sha512-WUtrGbPSlY8YuVSxKVJ36f3PrVMGMOQ5Cp5dtpurc71Uih4LEGGhEEk8yme/QOquiGsu77be0sZT4CrSUOSXag==
 
+react-native-android-widget@^0.11.2:
+  version "0.11.2"
+  resolved "https://registry.yarnpkg.com/react-native-android-widget/-/react-native-android-widget-0.11.2.tgz#541cc4931f6cf362b533d0e079a740ee595cd88e"
+  integrity sha512-Ro4inoMaXFtcMX/9p+O+e/Cm0ckg6tkbIB/PFdF+xX90+B/2sWjXDL9qgGRAsFN7Auj38hMqTl8bWBlImFCC2A==
+
 react-native-auto-height-image@^3.2.4:
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/react-native-auto-height-image/-/react-native-auto-height-image-3.2.4.tgz#c7a95d4d9701055c680c8dc02076def1107f9522"