diff --git a/res/ant.properties b/res/ant.properties
new file mode 100644
index 0000000..df11fc3
--- /dev/null
+++ b/res/ant.properties
@@ -0,0 +1,2 @@
+key.store=${user.home}/.keystore
+key.alias=mykey
\ No newline at end of file
diff --git a/res/build_cca.sh b/res/build_cca.sh
index 77ef8a7..275df78 100755
--- a/res/build_cca.sh
+++ b/res/build_cca.sh
@@ -6,6 +6,14 @@ cd ..
 
 DIR=release/cca
 
+# create
 rm -rf $DIR
 mkdir -p $DIR
-cca create $DIR/Whiteout --link-to=dist/manifest.json
\ No newline at end of file
+cca create $DIR/Whiteout --link-to=dist/manifest.json
+
+#prepare
+cd $DIR/Whiteout
+cca prepare
+
+# cp signing config
+cp ../../../res/ant.properties ./platforms/android/
\ No newline at end of file