diff --git a/.idea/10th_UMC_Android.iml b/.idea/10th_UMC_Android.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/10th_UMC_Android.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/seoya/week9/.gitignore b/seoya/week9/.gitignore
index aa724b7..3111f41 100644
--- a/seoya/week9/.gitignore
+++ b/seoya/week9/.gitignore
@@ -13,3 +13,5 @@
 .externalNativeBuild
 .cxx
 local.properties
+*.jks
+*.keystore
diff --git a/seoya/week9/.idea/markdown.xml b/seoya/week9/.idea/markdown.xml
new file mode 100644
index 0000000..c61ea33
--- /dev/null
+++ b/seoya/week9/.idea/markdown.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MarkdownSettings">
+    <option name="previewPanelProviderInfo">
+      <ProviderInfo name="Compose (experimental)" className="com.intellij.markdown.compose.preview.ComposePanelProvider" />
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/seoya/week9/app/mission.md b/seoya/week9/app/mission.md
new file mode 100644
index 0000000..443e7d5
--- /dev/null
+++ b/seoya/week9/app/mission.md
@@ -0,0 +1,19 @@
+# 10주차 실전미션
+
+## 1. 배포용 AAB 빌드
+
+AAB 파일 생성 완료
+
+경로:
+app/build/outputs/bundle/release/app-release.aab
+
+## 2. Claude Code 코드 리뷰
+
+Claude Code를 사용해 코드 리뷰를 진행했고, 리뷰 내용을 바탕으로 코드를 개선했습니다.
+
+리뷰 대상 파일:
+- MainActivity.kt
+
+개선 내용:
+- 코드 구조 정리
+- 불필요한 코드 제거
\ No newline at end of file
diff --git a/seoya/week9/app/release/app-release.aab b/seoya/week9/app/release/app-release.aab
new file mode 100644
index 0000000..fee178f
Binary files /dev/null and b/seoya/week9/app/release/app-release.aab differ