diff --git a/project/jni/application/openarena/engine b/project/jni/application/openarena/engine
index 8e5c2bbce..161a2a2de 160000
--- a/project/jni/application/openarena/engine
+++ b/project/jni/application/openarena/engine
@@ -1 +1 @@
-Subproject commit 8e5c2bbce310547036f47661ce164fcec99de043
+Subproject commit 161a2a2de9206a31d076f077c20bbe197759d3bd
diff --git a/sign.sh b/sign.sh
new file mode 100755
index 000000000..b04483836
--- /dev/null
+++ b/sign.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+# Set path to your Android keystore and your keystore alias here, or put them in your environment
+[ -z "$ANDROID_KEYSTORE_FILE" ] && ANDROID_KEYSTORE_FILE=~/.android/debug.keystore
+[ -z "$ANDROID_KEYSTORE_ALIAS" ] && ANDROID_KEYSTORE_ALIAS=androiddebugkey
+
+APPNAME=`grep AppName AndroidAppSettings.cfg | sed 's/.*=//' | tr -d '"' | tr " '/" '---'`
+APPVER=`grep AppVersionName AndroidAppSettings.cfg | sed 's/.*=//' | tr -d '"' | tr " '/" '---'`
+
+cd project/bin
+
+# Remove old certificate
+rm -f Signed.apk
+cp -f MainActivity-debug.apk Signed.apk
+zip -d Signed.apk "META-INF/*"
+# Sign with the new certificate
+echo Using keystore $ANDROID_KEYSTORE_FILE and alias $ANDROID_KEYSTORE_ALIAS
+stty -echo
+jarsigner -verbose -keystore $ANDROID_KEYSTORE_FILE -sigalg MD5withRSA -digestalg SHA1 Signed.apk $ANDROID_KEYSTORE_ALIAS
+stty echo
+echo
+zipalign 4 Signed.apk SignedAligned.apk
+rm -f Signed.apk
+
+#DEBUGINFODIR=`aapt dump badging App.apk | grep "package:" | sed "s/.*name=[']\([^']*\)['].*versionCode=[']\([^']*\)['].*/\1-\2/" | tr " '/" '---'`
+DEBUGINFODIR=$APPNAME-$APPVER
+echo Copying debug info to project/debuginfo/$DEBUGINFODIR
+mkdir -p ../debuginfo/$DEBUGINFODIR/armeabi ../debuginfo/$DEBUGINFODIR/armeabi-v7a
+cp -f ../obj/local/armeabi/*.so ../debuginfo/$DEBUGINFODIR/armeabi
+cp -f ../obj/local/armeabi-v7a/*.so ../debuginfo/$DEBUGINFODIR/armeabi-v7a
+cp -f SignedAligned.apk ../debuginfo/$DEBUGINFODIR/$APPNAME-$APPVER.apk
+mv -f SignedAligned.apk ../../$APPNAME-$APPVER.apk
+
+#PKGNAME=`aapt dump badging App.apk | grep "package:" | sed "s/.*name=[']\([^']*\)['].*versionCode=[']\([^']*\)['].*/\1/"`
+#adb install -r App.apk || { adb uninstall $PKGNAME ; adb install -r App.apk ; }