diff --git a/ndk/platforms/android-5/samples/hello-gl2/default.properties b/ndk/platforms/android-5/samples/hello-gl2/default.properties
index dbf05f24f..9d135cb85 100644
--- a/ndk/platforms/android-5/samples/hello-gl2/default.properties
+++ b/ndk/platforms/android-5/samples/hello-gl2/default.properties
@@ -8,4 +8,4 @@
 # project structure.
 
 # Project target.
-target=android-5
+target=android-7
diff --git a/ndk/platforms/android-9/samples/native-activity/default.properties b/ndk/platforms/android-9/samples/native-activity/default.properties
index 9a2c9f6c8..8010039f3 100644
--- a/ndk/platforms/android-9/samples/native-activity/default.properties
+++ b/ndk/platforms/android-9/samples/native-activity/default.properties
@@ -8,4 +8,4 @@
 # project structure.
 
 # Project target.
-target=android-9
+target=android-10
diff --git a/ndk/platforms/android-9/samples/native-activity/jni/Application.mk b/ndk/platforms/android-9/samples/native-activity/jni/Application.mk
index 22d188e59..682f11b2f 100644
--- a/ndk/platforms/android-9/samples/native-activity/jni/Application.mk
+++ b/ndk/platforms/android-9/samples/native-activity/jni/Application.mk
@@ -1 +1 @@
-APP_PLATFORM := android-9
+APP_PLATFORM := android-10
diff --git a/ndk/platforms/android-9/samples/native-audio/default.properties b/ndk/platforms/android-9/samples/native-audio/default.properties
index eada70a88..d63a41e3b 100644
--- a/ndk/platforms/android-9/samples/native-audio/default.properties
+++ b/ndk/platforms/android-9/samples/native-audio/default.properties
@@ -8,6 +8,6 @@
 # project structure.
 
 # Project target.
-target=android-9
+target=android-10
 # Indicates whether an apk should be generated for each density.
 split.density=false
diff --git a/ndk/platforms/android-9/samples/native-plasma/default.properties b/ndk/platforms/android-9/samples/native-plasma/default.properties
index 9a2c9f6c8..8010039f3 100644
--- a/ndk/platforms/android-9/samples/native-plasma/default.properties
+++ b/ndk/platforms/android-9/samples/native-plasma/default.properties
@@ -8,4 +8,4 @@
 # project structure.
 
 # Project target.
-target=android-9
+target=android-10
diff --git a/ndk/platforms/android-9/samples/native-plasma/jni/Application.mk b/ndk/platforms/android-9/samples/native-plasma/jni/Application.mk
index 23fa139dd..70bbb6266 100644
--- a/ndk/platforms/android-9/samples/native-plasma/jni/Application.mk
+++ b/ndk/platforms/android-9/samples/native-plasma/jni/Application.mk
@@ -1,3 +1,3 @@
 # The ARMv7 is significanly faster due to the use of the hardware FPU
 APP_ABI := armeabi armeabi-v7a
-APP_PLATFORM := android-9
+APP_PLATFORM := android-10