diff --git a/android/build.gradle b/android/build.gradle
index 6386d44..171b91a 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -50,7 +50,7 @@ android {
             manifest.srcFile 'AndroidManifest.xml'
 
             // where to find generated Java source
-            java.srcDirs = ['../src', 'src', '../src/java']
+            java.srcDirs = ['../src', 'src', '../src/java', '../../downloadclient', '../../signedpkg', '../../pEpEngine']
             jniLibs.srcDirs = ['libs',
             //                   'external/data/data/security.pEp/app_opt/lib'
                                ]
@@ -78,7 +78,7 @@ android {
             jniDebuggable true
             externalNativeBuild {
                 ndkBuild {
-                    arguments "-j${threadsToUse}", 'NDK_LOG=1', 'NDK_DEBUG=1', 'NDEBUG=null'
+                    arguments "-j${threadsToUse}", 'NDK_LOG=0', 'NDK_DEBUG=1', 'NDEBUG=null', '--output-sync=none'
                    // arguments '-B', 'NDK_DEBUG=1', 'NDEBUG=null', 'NDK_LOG=1'
                 }
             }
diff --git a/android/external/Makefile.conf b/android/external/Makefile.conf
index 514e8ee..81a9b81 100644
--- a/android/external/Makefile.conf
+++ b/android/external/Makefile.conf
@@ -25,6 +25,7 @@ GMP_VERSION=6.2.1
 NETTLE_VERSION=3.7.3
 BOOST_VERSION=1.74.0
 LIB_ARCHIVE_VERSION=3.6.1
+LIB_XML_VERSION=2.10.0
 
 ### Git deps repos
 EXTERNAL_GIT_REPOS += libetpan|https://gitea.pep.foundation/pEp.foundation/libetpan.git?507ab94fc9609432ef2d4c62770139482f1b5084
@@ -34,7 +35,7 @@ EXTERNAL_GIT_REPOS += cryptopp|https://github.com/weidai11/cryptopp.git?CRYPTOPP
 
 ### Common variables
 #### Source code targets
-EXTERNAL_SRCS += libiconv-src
+EXTERNAL_SRCS += libiconv-
 EXTERNAL_SRCS += uuid-src
 EXTERNAL_SRCS += openssl-src
 EXTERNAL_SRCS += gmp-src
@@ -49,6 +50,7 @@ EXTERNAL_SRCS_CLEAN += gmp-clean
 EXTERNAL_SRCS_CLEAN += nettle-clean
 EXTERNAL_SRCS_CLEAN += sequoia-ffi-clean
 EXTERNAL_SRCS_CLEAN += cryptopp-clean
+EXTERNAL_SRCS_CLEAN += libarchive-clean
 
 ### Other variables
 ANDROID_ETPAN_BUILD_VERSION=2
diff --git a/android/external/arm64-v8a/Makefile b/android/external/arm64-v8a/Makefile
index 60730bd..529b7df 100644
--- a/android/external/arm64-v8a/Makefile
+++ b/android/external/arm64-v8a/Makefile
@@ -17,7 +17,7 @@ APP_ABI ?= arm64-v8a
 
 all: build
 
-build: showsetup uuid-install sequoia-ffi-install libetpan-build cryptopp-install
+build: showsetup uuid-install sequoia-ffi-install libetpan-build cryptopp-install libarchive-install
 
 #------------------------------------------------------------------------------#
 # Manage paths for PREFIX, DESTDIR, LOCAL and PATH
@@ -50,8 +50,8 @@ CXX := $(ANDROID_NDK_HOME)/bin/$(HOST)$(ANDROID_API)-clang++
 RANLIB := $(ANDROID_NDK_HOME)/bin/$(HOST)-ranlib
 STRIP := $(ANDROID_NDK_HOME)/bin/$(HOST)-strip
 
-CFLAGS += -DANDROID -I$(LOCAL)/include $(TARGET_CFLAGS) -fPIE -fPIC -std=c99
-LDFLAGS += -llog -L$(LOCAL)/lib $(TARGET_LDFLAGS) -pie
+CFLAGS += -DANDROID -I$(LOCAL)/include $(TARGET_CFLAGS) -fPIE -fPIC -std=c99 --sysroot=$(NDK_SYSROOT)
+LDFLAGS += -lz -llog -L$(LOCAL)/lib $(TARGET_LDFLAGS) -pie --sysroot=$(NDK_SYSROOT)
 
 # change 'release' to 'debug' for unoptimized debug builds
 CFLAGS += $(TARGET_arm64_debug_CFLAGS)
@@ -209,6 +209,7 @@ openssl/libssl.so: | openssl/Makefile
 	PATH="$(ANDROID_NDK_HOME)/bin:$(PATH)" $(MAKE) -C openssl
 
 $(LOCAL)/lib/libssl.so: openssl/libssl.so
+	mkdir -p $(LOCAL)
 	$(MAKE) -C openssl install
 	ls -l $(LOCAL)/lib
 
@@ -300,13 +301,13 @@ libarchive.src.stamp: ../downloads/libarchive-$(LIB_ARCHIVE_VERSION).tar.gz
 	mv libarchive-$(LIB_ARCHIVE_VERSION) libarchive
 	touch $@
 
-libarchive-src: nettle.src.stamp gmp-install
+libarchive-src: libarchive.src.stamp
 
 libarchive-clean:
 	rm -rf libarchive
 	rm -rf libarchive.src.stamp
 
-libarchive/Makefile: libarchive.src.stamp
+libarchive/Makefile: libarchive.src.stamp libarchive-install
 	cd libarchive && \
 		CC="$(CC)" LD="$(LD)" AR="$(AR)" AS="$(AS)" RANLIB=$(RANLIB) STRIP="$(STRIP)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
 			./configure \
@@ -328,7 +329,42 @@ libarchive-build: libarchive/libarchive.so
 
 libarchive-install: $(LOCAL)/lib/libarchive.so
 
+#------------------------------------------------------------------------------#
+# libxml2
+
+libxml2.src.stamp: ../downloads/libxml2-$(LIB_XML_VERSION).tar.xz
+	tar xvf $<
+	mv libxml2-$(LIB_XML_VERSION) libxml2
+	touch $@
+
+libxml2-src: libxml2.src.stamp
+
+libxml2-clean:
+	rm -rf libxml2
+	rm -rf libxml2.src.stamp
+
+#There is a libxml2 version on the AOSP source code: https://android.googlesource.com/platform/external/libxml2/
+#, maybe it is a good idea to take it from there instead of mainstrem
+libxml2/Makefile: libxml2.src.stamp
+	cd libxml2 && \
+		CC="$(CC)" LD="$(LD)" AR="$(AR)" AS="$(AS)" RANLIB=$(RANLIB) STRIP="$(STRIP)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
+			./configure \
+                --enable-static \
+                --disable-shared \
+                --without-lzma \
+                --without-zlib \
+				--host=$(HOST) \
+				--prefix=$(LOCAL)
+
+libxml2/.libs/libxml2.a: libxml2/Makefile
+	$(MAKE) -C libxml2
+
+$(LOCAL)/lib/libxml2.a: libxml2/.libs/libxml2.a
+	$(MAKE) -C libxml2 DESTDIR=$(DESTDIR) prefix=$(prefix) install
+
+libxml2-build: libxml2/.libs/libxml2.a
 
+libxml2-install: $(LOCAL)/lib/libxml2.a
 #------------------------------------------------------------------------------#
 # Sequoia-ffi
 
diff --git a/android/external/armeabi-v7a/Makefile b/android/external/armeabi-v7a/Makefile
index 8a2991c..b88569c 100644
--- a/android/external/armeabi-v7a/Makefile
+++ b/android/external/armeabi-v7a/Makefile
@@ -17,7 +17,7 @@ APP_ABI ?= armeabi-v7a
 all: build
 #assets
 
-build: showsetup uuid-install sequoia-ffi-install libetpan-build cryptopp-install
+build: showsetup uuid-install sequoia-ffi-install libetpan-build cryptopp-install archive-install
 
 
 #------------------------------------------------------------------------------#
@@ -214,6 +214,7 @@ openssl/libssl.so: | openssl/Makefile
 	PATH="$(ANDROID_NDK_HOME)/bin:$(PATH)" $(MAKE) -C openssl
 
 $(LOCAL)/lib/libssl.so: openssl/libssl.so
+	mkdir -p $(LOCAL)
 	$(MAKE) -C openssl install
 	ls -l $(LOCAL)/lib
 
@@ -295,6 +296,79 @@ nettle-build: nettle/libnettle.so
 nettle-install: $(LOCAL)/lib/libnettle.so
 
 
+#------------------------------------------------------------------------------#
+# LibArchive
+
+libarchive.src.stamp: ../downloads/libarchive-$(LIB_ARCHIVE_VERSION).tar.gz
+	tar xvf $<
+	mv libarchive-$(LIB_ARCHIVE_VERSION) libarchive
+	touch $@
+
+libarchive-src: libarchive.src.stamp
+
+libarchive-clean:
+	rm -rf libarchive
+	rm -rf libarchive.src.stamp
+
+libarchive/Makefile: libarchive.src.stamp libarchive-install
+	cd libarchive && \
+		CC="$(CC)" LD="$(LD)" AR="$(AR)" AS="$(AS)" RANLIB=$(RANLIB) STRIP="$(STRIP)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
+			./configure \
+				--with-lib-path=$(LOCAL)/lib \
+                --with-include-path=$(LOCAL)/include \
+                --disable-documentation \
+                --disable-bsdtar \
+                --disable-bsdcpio \
+				--host=$(HOST) \
+				--prefix=$(LOCAL)
+
+libarchive/libarchive.so: libarchive/Makefile
+	$(MAKE) -C libarchive
+
+$(LOCAL)/lib/libarchive.so: libarchive/libarchive.so
+	$(MAKE) -C libarchive DESTDIR=$(DESTDIR) prefix=$(prefix) install
+
+libarchive-build: libarchive/libarchive.so
+
+libarchive-install: $(LOCAL)/lib/libarchive.so
+
+#------------------------------------------------------------------------------#
+# libxml2
+
+
+libxml2.src.stamp: ../downloads/libxml2-$(LIB_XML_VERSION).tar.xz
+	tar xvf $<
+	mv libxml2-$(LIB_XML_VERSION) libxml2
+	touch $@
+
+libxml2-src: libxml2.src.stamp
+
+libxml2-clean:
+	rm -rf libxml2
+	rm -rf libxml2.src.stamp
+
+#There is a libxml2 version on the AOSP source code: https://android.googlesource.com/platform/external/libxml2/
+#, maybe it is a good idea to take it from there instead of mainstrem
+libxml2/Makefile: libxml2.src.stamp
+	cd libxml2 && \
+		CC="$(CC)" LD="$(LD)" AR="$(AR)" AS="$(AS)" RANLIB=$(RANLIB) STRIP="$(STRIP)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
+			./configure \
+                --enable-static \
+                --disable-shared \
+                --without-lzma \
+                --without-zlib \
+				--host=$(HOST) \
+				--prefix=$(LOCAL)
+
+libxml2/.libs/libxml2.a: libxml2/Makefile
+	$(MAKE) -C libxml2
+
+$(LOCAL)/lib/libxml2.a: libxml2/.libs/libxml2.a
+	$(MAKE) -C libxml2 DESTDIR=$(DESTDIR) prefix=$(prefix) install
+
+libxml2-build: libxml2/.libs/libxml2.a
+
+libxml2-install: $(LOCAL)/lib/libxml2.a
 #------------------------------------------------------------------------------#
 # Sequoia-ffi
 CARGO_TARGET_DIR=$(EXTERNAL_ROOT)/../build
diff --git a/android/external/common/Makefile b/android/external/common/Makefile
index ad3637b..f22652e 100644
--- a/android/external/common/Makefile
+++ b/android/external/common/Makefile
@@ -35,6 +35,7 @@ boost.src.stamp:../downloads/boost-for-android.tar.gz
 
 
 boost.stamp: boost.src.stamp
+	mkdir -p $(LOCAL)
 	cd boost; NCPU=$(NCPU) bash ./build-android.sh $(ANDROID_NDK) \
 		--boost=$(BOOST_VERSION) \
 		--layout=system \
diff --git a/android/external/downloads/Makefile b/android/external/downloads/Makefile
index 4e621ed..d227d39 100644
--- a/android/external/downloads/Makefile
+++ b/android/external/downloads/Makefile
@@ -14,7 +14,7 @@ include ../Makefile.conf
 # Build parameters
 
 all: download-iconv download-uuid download-sequoia-deps download-etpan download-sequoia download-boost \
-	download-cryptopp download-archive
+	download-cryptopp download-archive download-xml2
 
 download-iconv: libiconv-1.15.tar.gz
 
@@ -32,6 +32,9 @@ download-boost: boost-for-android.tar.gz
 download-cryptopp: cryptopp.tar.gz
 
 download-archive: libarchive-$(LIB_ARCHIVE_VERSION).tar.gz
+
+download-xml2: libxml2-$(LIB_XML_VERSION).tar.xz
+
 # Download source and patch it
 libiconv-1.15.tar.gz:
 	wget https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.15.tar.gz
@@ -56,6 +59,10 @@ libarchive-$(LIB_ARCHIVE_VERSION).tar.gz:
 	wget -nc https://libarchive.org/downloads/libarchive-$(LIB_ARCHIVE_VERSION).tar.gz
 	md5sum -c libarchive-$(LIB_ARCHIVE_VERSION).tar.gz.md5
 
+libxml2-$(LIB_XML_VERSION).tar.xz:
+	wget -nc https://download.gnome.org/sources/libxml2/2.10/libxml2-$(LIB_XML_VERSION).tar.xz
+	md5sum -c libxml2-$(LIB_XML_VERSION).tar.xz.md5
+
 
 #------------------------------------------------------------------------------#
 # Clone update and archive external projects GIT repos
diff --git a/android/external/downloads/libarchive-3.6.1.tar.gz.md5 b/android/external/downloads/libarchive-3.6.1.tar.gz.md5
new file mode 100644
index 0000000..e33eb80
--- /dev/null
+++ b/android/external/downloads/libarchive-3.6.1.tar.gz.md5
@@ -0,0 +1 @@
+802a56ef9eaa0b8776296ba78a6d0c2c  libarchive-3.6.1.tar.gz
diff --git a/android/external/downloads/libxml2-2.10.0.tar.xz.md5 b/android/external/downloads/libxml2-2.10.0.tar.xz.md5
new file mode 100644
index 0000000..6f30278
--- /dev/null
+++ b/android/external/downloads/libxml2-2.10.0.tar.xz.md5
@@ -0,0 +1 @@
+54fdcf2404eb5c1ca59ffc82b2edff78  libxml2-2.10.0.tar.xz
diff --git a/android/external/x86/Makefile b/android/external/x86/Makefile
index 1e99f9f..fc8eb5c 100644
--- a/android/external/x86/Makefile
+++ b/android/external/x86/Makefile
@@ -17,7 +17,7 @@ APP_ABI ?= x86
 
 all: build
 
-build: showsetup uuid-install sequoia-ffi-install libetpan-build cryptopp-install
+build: showsetup uuid-install sequoia-ffi-install libetpan-build cryptopp-install libarchive-install
 
 #------------------------------------------------------------------------------#
 # Manage paths for PREFIX, DESTDIR, LOCAL and PATH
@@ -209,6 +209,7 @@ openssl/libssl.so: | openssl/Makefile
 	PATH="$(ANDROID_NDK_HOME)/bin:$(PATH)" $(MAKE) -C openssl
 
 $(LOCAL)/lib/libssl.so: openssl/libssl.so
+	mkdir -p $(LOCAL)
 	$(MAKE) -C openssl install
 	ls -l $(LOCAL)/lib
 
@@ -293,8 +294,80 @@ nettle-install: $(LOCAL)/lib/libnettle.so
 
 
 #------------------------------------------------------------------------------#
-# Sequoia-ffi
+# LibArchive
+
+libarchive.src.stamp: ../downloads/libarchive-$(LIB_ARCHIVE_VERSION).tar.gz
+	tar xvf $<
+	mv libarchive-$(LIB_ARCHIVE_VERSION) libarchive
+	touch $@
+
+libarchive-src: libarchive.src.stamp
+
+libarchive-clean:
+	rm -rf libarchive
+	rm -rf libarchive.src.stamp
+
+libarchive/Makefile: libarchive.src.stamp libarchive-install
+	cd libarchive && \
+		CC="$(CC)" LD="$(LD)" AR="$(AR)" AS="$(AS)" RANLIB=$(RANLIB) STRIP="$(STRIP)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
+			./configure \
+				--with-lib-path=$(LOCAL)/lib \
+                --with-include-path=$(LOCAL)/include \
+                --disable-documentation \
+                --disable-bsdtar \
+                --disable-bsdcpio \
+				--host=$(HOST) \
+				--prefix=$(LOCAL)
+
+libarchive/libarchive.so: libarchive/Makefile
+	$(MAKE) -C libarchive
+
+$(LOCAL)/lib/libarchive.so: libarchive/libarchive.so
+	$(MAKE) -C libarchive DESTDIR=$(DESTDIR) prefix=$(prefix) install
+
+libarchive-build: libarchive/libarchive.so
+
+libarchive-install: $(LOCAL)/lib/libarchive.so
 
+#------------------------------------------------------------------------------#
+# libxml2
+
+
+libxml2.src.stamp: ../downloads/libxml2-$(LIB_XML_VERSION).tar.xz
+	tar xvf $<
+	mv libxml2-$(LIB_XML_VERSION) libxml2
+	touch $@
+
+libxml2-src: libxml2.src.stamp
+
+libxml2-clean:
+	rm -rf libxml2
+	rm -rf libxml2.src.stamp
+
+#There is a libxml2 version on the AOSP source code: https://android.googlesource.com/platform/external/libxml2/
+#, maybe it is a good idea to take it from there instead of mainstrem
+libxml2/Makefile: libxml2.src.stamp
+	cd libxml2 && \
+		CC="$(CC)" LD="$(LD)" AR="$(AR)" AS="$(AS)" RANLIB=$(RANLIB) STRIP="$(STRIP)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
+			./configure \
+                --enable-static \
+                --disable-shared \
+                --without-lzma \
+                --without-zlib \
+				--host=$(HOST) \
+				--prefix=$(LOCAL)
+
+libxml2/.libs/libxml2.a: libxml2/Makefile
+	$(MAKE) -C libxml2
+
+$(LOCAL)/lib/libxml2.a: libxml2/.libs/libxml2.a
+	$(MAKE) -C libxml2 DESTDIR=$(DESTDIR) prefix=$(prefix) install
+
+libxml2-build: libxml2/.libs/libxml2.a
+
+libxml2-install: $(LOCAL)/lib/libxml2.a
+#------------------------------------------------------------------------------#
+# Sequoia-ffi
 CARGO_TARGET_DIR=$(EXTERNAL_ROOT)/../build/
 
 sequoia.src.stamp: ../downloads/sequoia.tar.gz
diff --git a/android/external/x86_64/Makefile b/android/external/x86_64/Makefile
index f43904d..bcb990b 100644
--- a/android/external/x86_64/Makefile
+++ b/android/external/x86_64/Makefile
@@ -17,7 +17,7 @@ APP_ABI ?= x86_64
 
 all: build
 
-build: showsetup uuid-install sequoia-ffi-install libetpan-build cryptopp-install
+build: showsetup uuid-install sequoia-ffi-install libetpan-build cryptopp-install libarchive-install
 
 #------------------------------------------------------------------------------#
 # Manage paths for PREFIX, DESTDIR, LOCAL and PATH
@@ -209,6 +209,7 @@ openssl/libssl.so: | openssl/Makefile
 	PATH="$(ANDROID_NDK_HOME)/bin:$(PATH)" $(MAKE) -C openssl
 
 $(LOCAL)/lib/libssl.so: openssl/libssl.so
+	mkdir -p $(LOCAL)
 	$(MAKE) -C openssl install
 	ls -l $(LOCAL)/lib
 
@@ -292,6 +293,79 @@ nettle-build: nettle/libnettle.so
 nettle-install: $(LOCAL)/lib/libnettle.so
 
 
+#------------------------------------------------------------------------------#
+# LibArchive
+
+libarchive.src.stamp: ../downloads/libarchive-$(LIB_ARCHIVE_VERSION).tar.gz
+	tar xvf $<
+	mv libarchive-$(LIB_ARCHIVE_VERSION) libarchive
+	touch $@
+
+libarchive-src: libarchive.src.stamp
+
+libarchive-clean:
+	rm -rf libarchive
+	rm -rf libarchive.src.stamp
+
+libarchive/Makefile: libarchive.src.stamp libarchive-install
+	cd libarchive && \
+		CC="$(CC)" LD="$(LD)" AR="$(AR)" AS="$(AS)" RANLIB=$(RANLIB) STRIP="$(STRIP)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
+			./configure \
+				--with-lib-path=$(LOCAL)/lib \
+                --with-include-path=$(LOCAL)/include \
+                --disable-documentation \
+                --disable-bsdtar \
+                --disable-bsdcpio \
+				--host=$(HOST) \
+				--prefix=$(LOCAL)
+
+libarchive/libarchive.so: libarchive/Makefile
+	$(MAKE) -C libarchive
+
+$(LOCAL)/lib/libarchive.so: libarchive/libarchive.so
+	$(MAKE) -C libarchive DESTDIR=$(DESTDIR) prefix=$(prefix) install
+
+libarchive-build: libarchive/libarchive.so
+
+libarchive-install: $(LOCAL)/lib/libarchive.so
+
+#------------------------------------------------------------------------------#
+# libxml2
+
+
+libxml2.src.stamp: ../downloads/libxml2-$(LIB_XML_VERSION).tar.xz
+	tar xvf $<
+	mv libxml2-$(LIB_XML_VERSION) libxml2
+	touch $@
+
+libxml2-src: libxml2.src.stamp
+
+libxml2-clean:
+	rm -rf libxml2
+	rm -rf libxml2.src.stamp
+
+#There is a libxml2 version on the AOSP source code: https://android.googlesource.com/platform/external/libxml2/
+#, maybe it is a good idea to take it from there instead of mainstrem
+libxml2/Makefile: libxml2.src.stamp
+	cd libxml2 && \
+		CC="$(CC)" LD="$(LD)" AR="$(AR)" AS="$(AS)" RANLIB=$(RANLIB) STRIP="$(STRIP)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" \
+			./configure \
+                --enable-static \
+                --disable-shared \
+                --without-lzma \
+                --without-zlib \
+				--host=$(HOST) \
+				--prefix=$(LOCAL)
+
+libxml2/.libs/libxml2.a: libxml2/Makefile
+	$(MAKE) -C libxml2
+
+$(LOCAL)/lib/libxml2.a: libxml2/.libs/libxml2.a
+	$(MAKE) -C libxml2 DESTDIR=$(DESTDIR) prefix=$(prefix) install
+
+libxml2-build: libxml2/.libs/libxml2.a
+
+libxml2-install: $(LOCAL)/lib/libxml2.a
 #------------------------------------------------------------------------------#
 # Sequoia-ffi
 
diff --git a/android/jni/Android.mk b/android/jni/Android.mk
index e854158..55dd737 100644
--- a/android/jni/Android.mk
+++ b/android/jni/Android.mk
@@ -71,13 +71,13 @@ $(shell sh $(ENGINE_PATH)/build-android/takeOutHeaderFiles.sh $(ENGINE_PATH))
 include $(CLEAR_VARS)
 LOCAL_MODULE     := pEpJNI
 LOCAL_SHARED_LIBRARIES := libnettle libhogweed libgmp libcryptopp
-LOCAL_STATIC_LIBRARIES := pEpEngine libetpan libiconv libuuid pEpAdapter libsequoia_openpgp_ffi
+LOCAL_STATIC_LIBRARIES := pEpEngine libetpan libiconv libuuid pEpAdapter libsequoia_openpgp_ffi downloadclient signedpkg
 LOCAL_STATIC_LIBRARIES += libssl libcrypto libboost_system  libboost_regex libboost_iostreams
 
 LOCAL_CPPFLAGS += -fexceptions
 LOCAL_CPPFLAGS += -frtti
 
-LOCAL_CPP_FEATURES += exceptions
+LOCAL_CPP_FEATURES += exceptiovns
 LOCAL_CPPFLAGS += -std=c++17 -DANDROID_STL=c++_shared -DHAVE_PTHREADS -DDISABLE_SYNC -fuse-ld=lld
 LOCAL_SRC_FILES  := \
 		  ../../src/cxx/foundation_pEp_jniadapter_AbstractEngine.cc \