diff --git a/app/android/AndroidManifest.xml.in b/app/android/AndroidManifest.xml.in
index e4cf0942..ec17a2a6 100644
--- a/app/android/AndroidManifest.xml.in
+++ b/app/android/AndroidManifest.xml.in
@@ -15,7 +15,7 @@
     <uses-feature android:glEsVersion="0x00020000" />
 
     <!-- This is the platform API where NativeActivity was introduced. -->
-    <uses-sdk android:minSdkVersion="21" />
+    <uses-sdk android:minSdkVersion="19" />
 
     <!-- This .apk has no Java code itself, so set hasCode to false. -->
     <application 
diff --git a/docker/xenial/android/setup_android_env.bash b/docker/xenial/android/setup_android_env.bash
index b0dd2730..794afaec 100644
--- a/docker/xenial/android/setup_android_env.bash
+++ b/docker/xenial/android/setup_android_env.bash
@@ -15,7 +15,7 @@ rm tools_r25.2.3-linux.zip
 mkdir $ANDROID_HOME
 mv tools $ANDROID_HOME/.
 #android list sdk --all --extended
-echo y | android update sdk --no-ui --all --filter platform-tools,android-21,build-tools-21.1.0
+echo y | android update sdk --no-ui --all --filter platform-tools,android-19,build-tools-19.1.0,android-21,build-tools-21.1.0
 
 # Setup android ndk
 echo "wget android-ndk..."