diff --git a/res/values-ja/strings.xml b/res/values-ja/strings.xml
new file mode 100644
index 0000000..e64fc7c
--- /dev/null
+++ b/res/values-ja/strings.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 
+     Copyright (C) 2018 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.
+ -->
+
+<resources xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string name="app_name" msgid="6995669566699638946">"スタイルと壁紙"</string>
+    <string name="clock_title" msgid="2126046720254613991">"時計"</string>
+    <string name="grid_title" msgid="2825094404523390773">"グリッド"</string>
+    <string name="wallpaper_title" msgid="6952635398953194544">"壁紙"</string>
+    <string name="apply_theme_btn" msgid="6293081192321303991">"適用"</string>
+    <string name="edit_custom_theme_lbl" msgid="5211377705710775224">"タップして編集"</string>
+    <string name="keep_my_wallpaper" msgid="8012385376769568517">"現在の壁紙を保持"</string>
+    <string name="apply_btn" msgid="7965877231041987336">"適用"</string>
+    <string name="accessibility_preview_pager" msgid="3548503287402185430">"<xliff:g id="ID_1">%1$d</xliff:g>/<xliff:g id="ID_2">%2$d</xliff:g> ページ目"</string>
+    <string name="next_page_content_description" msgid="5290226604542300962">"次へ"</string>
+    <string name="previous_page_content_description" msgid="6025726405430262788">"前へ"</string>
+    <string name="theme_font_example" msgid="5196060278649495083">"ABC"</string>
+    <string name="default_theme_title" msgid="2555741736622366797">"デフォルト"</string>
+    <string name="preview_name_font" msgid="4465423899630037038">"フォント"</string>
+    <string name="preview_name_icon" msgid="6818927315316316440">"アイコン"</string>
+    <string name="preview_name_color" msgid="8776203144994416172">"色"</string>
+    <string name="preview_name_shape" msgid="5676971146080968721">"図形"</string>
+    <string name="preview_name_wallpaper" msgid="1738652462949531828">"壁紙"</string>
+    <string name="font_card_title" msgid="7331657993811241308">"デバイスのカスタマイズ"</string>
+    <string name="font_card_body" msgid="5245191135258233681">"スマートフォンの各画面におすすめのデザインやカスタム デザインを適用し、ホーム画面やアイコンなどを自分好みに変更できます"</string>
+    <string name="grid_title_pattern" msgid="9188866567612607806">"<xliff:g id="ID_1">%1$d</xliff:g>x<xliff:g id="ID_2">%2$d</xliff:g>"</string>
+    <string name="applied_theme_msg" msgid="7348498271552054431">"スタイルを適用しました"</string>
+    <string name="apply_theme_error_msg" msgid="791364062636538317">"スタイルの適用中にエラーが発生しました"</string>
+    <string name="custom_theme_next" msgid="6235420097213197301">"次へ"</string>
+    <string name="custom_theme_title" msgid="2485536123742716285">"カスタム"</string>
+    <string name="custom_theme_fragment_title" msgid="6615547284702040280">"カスタム スタイル"</string>
+    <string name="custom_theme_delete" msgid="4744494663184126202">"削除"</string>
+    <string name="font_component_title" msgid="8800340833695292049">"フォントの選択"</string>
+    <string name="icon_component_title" msgid="5779787138399083903">"アイコンの選択"</string>
+    <string name="color_component_title" msgid="1194089273921078816">"色の選択"</string>
+    <!-- no translation found for shape_component_title (8366847436022025538) -->
+    <skip />
+    <string name="icon_component_label" msgid="2625784884001407944">"アイコン <xliff:g id="ID_1">%1$d</xliff:g>"</string>
+    <string name="component_step_counter" msgid="1963018522834358123">"<xliff:g id="ID_1">%1$d</xliff:g>/<xliff:g id="ID_2">%2$d</xliff:g>"</string>
+    <string name="delete_custom_theme_confirmation" msgid="4452137183628769394">"カスタム スタイルを削除しますか？"</string>
+    <string name="delete_custom_theme_button" msgid="5102462988130208824">"削除"</string>
+    <string name="cancel" msgid="4651030493668562067">"キャンセル"</string>
+    <string name="set_theme_wallpaper_dialog_message" msgid="2179661027350908003">"スタイルの壁紙を設定"</string>
+    <!-- no translation found for use_style_instead_title (1578754995763917502) -->
+    <skip />
+    <!-- no translation found for use_style_instead_body (3051937045807471496) -->
+    <skip />
+    <!-- no translation found for use_style_button (1754493078383627019) -->
+    <skip />
+    <!-- no translation found for no_thanks (7286616980115687627) -->
+    <skip />
+</resources>