diff --git a/app/src/demo/res/values-ko/strings.xml b/app/src/demo/res/values-ko/strings.xml
new file mode 100644
index 0000000..d4954ec
--- /dev/null
+++ b/app/src/demo/res/values-ko/strings.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- demo flavor 전용 override (한국어). main/values-ko/strings.xml 을 override. -->
+<resources>
+    <string name="app_name">VesiScan-Basic Demo</string>
+</resources>
diff --git a/app/src/demo/res/values/strings.xml b/app/src/demo/res/values/strings.xml
index 84ae4e5..7277c5c 100644
--- a/app/src/demo/res/values/strings.xml
+++ b/app/src/demo/res/values/strings.xml
@@ -1,3 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  demo flavor 전용 override (EN default).
+  Gradle 이 빌드 시 main/res + demo/res 를 merge · 같은 key 는 flavor 것이 우선.
+  → demo flavor apk 는 홈 화면에 "VesiScan-Basic Demo" 로 표시.
+  → dev flavor 는 main/res 기본값 "VesiScan-Basic" 유지.
+-->
 <resources>
-    <string name="app_name">VesiScan Demo</string>
+    <string name="app_name">VesiScan-Basic Demo</string>
 </resources>