diff --git a/Makefile b/Makefile
index ce315129ab..b1f379e701 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ all clean dep depend print:
 	done
 
 distclean realclean:
-	for dir in $(DIRS); do \
+	for dir in $(DIRS) pjsip-apps/src/swig pjsip-apps/src/pjsua/android/jni; do \
 		if $(MAKE) $(MAKE_FLAGS) -C $$dir $@; then \
 		    true; \
 		else \
diff --git a/pjsip-apps/src/pjsua/android/jni/Makefile b/pjsip-apps/src/pjsua/android/jni/Makefile
index 6d56b19680..e1a1046899 100644
--- a/pjsip-apps/src/pjsua/android/jni/Makefile
+++ b/pjsip-apps/src/pjsua/android/jni/Makefile
@@ -9,7 +9,7 @@ MY_MODULES      := $(MY_MODULE_PATH)/pjsua_app.o \
 		   $(MY_MODULE_PATH)/pjsua_app_legacy.o
 
 OUT_DIR		:= ../build/jni
-LIBPJSUA_SO	:= ../app/src/main/jniLibs/armeabi/libpjsua.so
+LIBPJSUA_SO	:= ../app/src/main/jniLibs/$(TARGET_ARCH)/libpjsua.so
 
 # Env settings, e.g: path to SWIG, JDK, java(.exe), javac(.exe)
 MY_SWIG		:= swig
@@ -23,10 +23,12 @@ MY_LDFLAGS	:= $(PJ_LDXXFLAGS) $(PJ_LDXXLIBS) $(MY_JNI_LDFLAGS) $(LDFLAGS)
 MY_PACKAGE_NAME	:= org.pjsip.pjsua
 MY_PACKAGE_PATH := ../app/src/main/java/$(subst .,/,$(MY_PACKAGE_NAME))
 
-all: $(LIBPJSUA_SO) java
+MY_STD_CPP := ../app/src/main/jniLibs/$(TARGET_ARCH)/libc++_shared.so
+
+all: $(LIBPJSUA_SO) java $(MY_STD_CPP)
 
 $(LIBPJSUA_SO): $(OUT_DIR)/pjsua_wrap.o
-	mkdir -p ../app/src/main/jniLibs/armeabi
+	mkdir -p ../app/src/main/jniLibs/$(TARGET_ARCH)
 	$(PJ_CXX) -shared -o $(LIBPJSUA_SO) \
 	$(OUT_DIR)/pjsua_wrap.o $(OUT_DIR)/pjsua_app_callback.o \
 	$(MY_MODULES) \
@@ -54,3 +56,8 @@ ifneq (,$(findstring PJMEDIA_VIDEO_DEV_HAS_ANDROID=1,$(ANDROID_CFLAGS)))
 	@echo "Copying Android camera helper components..."
 	cp $(PJDIR)/pjmedia/src/pjmedia-videodev/android/PjCamera*.java $(MY_PACKAGE_PATH)/..
 endif
+
+$(MY_STD_CPP): $(STD_CPP_LIB)
+	cp -v $< $@
+
+
diff --git a/pjsip-apps/src/swig/java/android/app-kotlin/src/main/java/org/pjsip/pjsua2/app_kotlin/MainActivity.kt b/pjsip-apps/src/swig/java/android/app-kotlin/src/main/java/org/pjsip/pjsua2/app_kotlin/MainActivity.kt
index a89f52e557..a48e485c6b 100644
--- a/pjsip-apps/src/swig/java/android/app-kotlin/src/main/java/org/pjsip/pjsua2/app_kotlin/MainActivity.kt
+++ b/pjsip-apps/src/swig/java/android/app-kotlin/src/main/java/org/pjsip/pjsua2/app_kotlin/MainActivity.kt
@@ -20,10 +20,15 @@ import java.lang.ref.WeakReference
 /* Configs */
 
 // Account ID
-const val ACC_ID_URI    = "sip:localhost"
+const val ACC_DOMAIN = "pjsip.org"
+const val ACC_USER   = "101"
+const val ACC_PASSWD = ""
+const val ACC_ID_URI = "Kotlin <sip:" + ACC_USER + "@" + ACC_DOMAIN + ">"
+const val ACC_REGISTRAR = "sip:sip.pjsip.org;transport=tls"
+const val ACC_PROXY  = "sip:sip.pjsip.org;lr;transport=tls"
 
 // Peer to call
-const val CALL_DST_URI  = "sip:192.168.1.9:6000"
+const val CALL_DST_URI  = "MicroSIP <sip:103@pjsip.org>"
 
 // Camera ID used for video call.
 // Use VidDevManager::enumDev2() to get available cameras & IDs.
@@ -273,8 +278,18 @@ class MainActivity : AppCompatActivity(), android.os.Handler.Callback {
                 g.ep.transportCreate(pjsip_transport_type_e.PJSIP_TRANSPORT_UDP,
                         sipTpConfig)
 
+                g.ep.transportCreate(pjsip_transport_type_e.PJSIP_TRANSPORT_TLS,
+                    TransportConfig())
+
                 val accCfg = AccountConfig()
                 accCfg.idUri = ACC_ID_URI
+                accCfg.regConfig.registrarUri = ACC_REGISTRAR
+                accCfg.sipConfig.authCreds.add(
+                    AuthCredInfo("Digest", "*", ACC_USER, 0,
+                        ACC_PASSWD)
+                )
+                accCfg.sipConfig.proxies.add( ACC_PROXY )
+
                 accCfg.videoConfig.autoShowIncoming = true
                 accCfg.videoConfig.autoTransmitOutgoing = true
                 accCfg.videoConfig.defaultCaptureDevice = VIDEO_CAPTURE_DEVICE_ID
@@ -291,6 +306,14 @@ class MainActivity : AppCompatActivity(), android.os.Handler.Callback {
             }
             findViewById<TextView>(R.id.text_info).text = "Library started"
 
+            /* Prioritize AMR-WB */
+            try {
+                g.ep.codecSetPriority("AMR-WB", 255)
+                g.ep.codecSetPriority("AMR/8000", 254)
+            } catch (e: Exception) {
+                println(e)
+            }
+
             /* Fix camera orientation to portrait mode (for front camera) */
             try {
                 g.ep.vidDevManager().setCaptureOrient(VIDEO_CAPTURE_DEVICE_ID,
@@ -306,8 +329,10 @@ class MainActivity : AppCompatActivity(), android.os.Handler.Callback {
                     }
                 }
                 var vcp = g.ep.getVideoCodecParam(codecId)
-                vcp.encFmt.width = 240
-                vcp.encFmt.height = 320
+                vcp.encFmt.width = 480
+                vcp.encFmt.height = 640
+                vcp.encFmt.avgBps = 1024000
+                vcp.encFmt.maxBps = 5000000
                 g.ep.setVideoCodecParam(codecId, vcp)
             } catch (e: Exception) {
                 println(e)