Unity/多言語化/Androidのアプリ名

Androidのアプリタイトルの多言語化対応方法

Assets/Plugins/Android/res/values-ja/strings.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string name="app_name">タイトル1</string>
</resources>

Assets/Plugins/Android/res was removedエラーが出る問題

エラー詳細

Providing Android resources in Assets/Plugins/Android/res was removed, please move your resources to an AAR or an Android Library. See "AAR plug-ins and Android Libraries" section of the Manual for more details.

1. Assets/Plugins/Androidの下にres.androidlibを作る
2. 以下をres.androidlibの下に作る

AndroidManifest.xml
project.properties
res

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="custom.android.res"
          android:versionCode="1"
          android:versionName="1.0">
</manifest>

project.properties

target=android-9
android.library=true

参考：https://kingmo.jp/kumonos/unity-2021lts-res-folda-build-error/