diff --git a/.github/workflows/pr-review.yml b/.github/workflows/pr-review.yml
new file mode 100644
index 0000000..b395129
--- /dev/null
+++ b/.github/workflows/pr-review.yml
@@ -0,0 +1,21 @@
+name: PR review/test
+
+on:
+  pull_request:
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+      - name: Install dependencies
+        run: |
+          flutter pub get
+      - uses: invertase/github-action-dart-analyzer@v1
+      - name: Run tests
+        run: |
+          flutter test
diff --git a/lib/view/board.dart b/lib/view/board.dart
index 9de90ac..dfab25d 100644
--- a/lib/view/board.dart
+++ b/lib/view/board.dart
@@ -12,7 +12,9 @@ class Board extends ConsumerWidget {
 
     return Padding(
       padding: const EdgeInsets.all(16),
-      child: Column(
+      child: SingleChildScrollView(child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        crossAxisAlignment: CrossAxisAlignment.center,
         children: [
           Padding(
             padding: const EdgeInsets.all(16),
@@ -64,7 +66,7 @@ class Board extends ConsumerWidget {
             ),
           ),
         ],
-      ),
+      )),
     );
   }
 
diff --git a/test/place_mark_test.dart b/test/place_mark_test.dart
new file mode 100644
index 0000000..57d7499
--- /dev/null
+++ b/test/place_mark_test.dart
@@ -0,0 +1,139 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:tic_tac_toe_handson/provider/tic_tac_toe_provider.dart';
+
+void main() {
+  late TicTacToeProvider target;
+
+  setUp(() {
+    final container = ProviderContainer();
+    target = container.read(ticTacToeProvider.notifier);
+  });
+
+  test("placeMark test - row: 0, col: 0", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(0, 0);
+    expect(target.state.board, [
+      ['X', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("placeMark test - row: 0, col: 1", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(0, 1);
+    expect(target.state.board, [
+      ['', 'X', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("placeMark test - row: 0, col: 2", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(0, 2);
+    expect(target.state.board, [
+      ['', '', 'X'],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("placeMark test - row: 1, col: 0", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(1, 0);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['X', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("placeMark test - row: 1, col: 1", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(1, 1);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', 'X', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("placeMark test - row: 1, col: 2", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(1, 2);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', 'X'],
+      ['', '', ''],
+    ]);
+  });
+
+  test("placeMark test - row: 2, col: 0", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(2, 0);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['X', '', ''],
+    ]);
+  });
+
+  test("placeMark test - row: 2, col: 1", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(2, 1);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', 'X', ''],
+    ]);
+  });
+
+  test("placeMark test - row: 2, col: 2", () {
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.placeMark(2, 2);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', 'X'],
+    ]);
+  });
+}
diff --git a/test/reset_board_test.dart b/test/reset_board_test.dart
new file mode 100644
index 0000000..463152f
--- /dev/null
+++ b/test/reset_board_test.dart
@@ -0,0 +1,148 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:tic_tac_toe_handson/provider/tic_tac_toe_provider.dart';
+
+void main() {
+  late TicTacToeProvider target;
+
+  setUp(() {
+    final container = ProviderContainer();
+    target = container.read(ticTacToeProvider.notifier);
+  });
+
+  test("resetBoard test - row: 0, col: 0", () {
+    target.placeMark(0, 0);
+    expect(target.state.board, [
+      ['X', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("resetBoard test - row: 0, col: 1", () {
+    target.placeMark(0, 1);
+    expect(target.state.board, [
+      ['', 'X', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("resetBoard test - row: 0, col: 2", () {
+    target.placeMark(0, 2);
+    expect(target.state.board, [
+      ['', '', 'X'],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("resetBoard test - row: 1, col: 0", () {
+    target.placeMark(1, 0);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['X', '', ''],
+      ['', '', ''],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("resetBoard test - row: 1, col: 1", () {
+    target.placeMark(1, 1);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', 'X', ''],
+      ['', '', ''],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("resetBoard test - row: 1, col: 2", () {
+    target.placeMark(1, 2);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', 'X'],
+      ['', '', ''],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("resetBoard test - row: 2, col: 0", () {
+    target.placeMark(2, 0);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['X', '', ''],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("resetBoard test - row: 2, col: 1", () {
+    target.placeMark(2, 1);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', 'X', ''],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+
+  test("resetBoard test - row: 2, col: 2", () {
+    target.placeMark(2, 2);
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', 'X'],
+    ]);
+    target.resetBoard();
+    expect(target.state.board, [
+      ['', '', ''],
+      ['', '', ''],
+      ['', '', ''],
+    ]);
+  });
+}
diff --git a/test/widget_test.dart b/test/widget_test.dart
index f013804..6757d0e 100644
--- a/test/widget_test.dart
+++ b/test/widget_test.dart
@@ -5,26 +5,17 @@
 // gestures. You can also use WidgetTester to find child widgets in the widget
 // tree, read text, and verify that the values of widget properties are correct.
 
-import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 import 'package:tic_tac_toe_handson/main.dart';
 
 void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
+  testWidgets('Title rendering test', (WidgetTester tester) async {
+    await tester.pumpWidget(const ProviderScope(
+      child: MyApp(),
+    ));
 
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
+    expect(find.text('FlutterKaigi 2023 - TicTacToe'), findsOneWidget);
   });
 }