diff --git a/CMakeLists.txt b/CMakeLists.txt
index c2486e34..e4bc29bf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -204,6 +204,12 @@ endif()
 if(APPLE)
 	add_definitions(-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE)
 endif()
+if ((NOT DEFINED LIBPROJECT) AND (DEFINED ANDROID_PLATFORM))
+	include_directories(${ANDROID_SYSTEM_LIBRARY_PATH}/usr/include)
+	#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I${ANDROID_NDK}/sysroot/usr/include")
+	#message("${ANDROID_SYSTEM_LIBRARY_PATH}/usr/include")
+	#message("${ANDROID_NDK}/sysroot/usr/include")
+endif()
 if(WIN32)
 	list(APPEND LIBS_MAIN ws2_32 iphlpapi psapi)
 else()
@@ -340,6 +346,11 @@ if(LIB)
 			install(FILES ${HDRS} DESTINATION ${MINGW_INCLUDE}/pip)
 			install(TARGETS ${PIP_LIBS_TARGETS} DESTINATION ${MINGW_LIB})
 			install(TARGETS ${PIP_LIBS_TARGETS} DESTINATION ${MINGW_BIN})
+			find_library(STDLIB "stdc++-6")
+			#message("${STDLIB}")
+			if (STDLIB)
+				file(COPY "${STDLIB}" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/utils/code_model_generator")
+			endif()
 		endif()
 	else()
 		if(APPLE)
diff --git a/src_crypt/picrypt.cpp b/src_crypt/picrypt.cpp
index c659f0a5..f061de11 100644
--- a/src_crypt/picrypt.cpp
+++ b/src_crypt/picrypt.cpp
@@ -19,7 +19,7 @@
 
 #include "picrypt.h"
 #ifdef PIP_CRYPT
-#  include "sodium.h"
+#  include <sodium.h>
 #endif
 
 
@@ -28,7 +28,7 @@ const char hash_def_key[] = "_picrypt_";
 
 PICrypt::PICrypt() {
 #ifdef PIP_CRYPT
-	if (!sodium_init()) piCout << "[PICrypt]" << "Error while initialize sodium!";
+	if (!init()) piCout << "[PICrypt]" << "Error while initialize sodium!";
 	nonce_.resize(crypto_secretbox_NONCEBYTES);
 	key_.resize(crypto_secretbox_KEYBYTES);
 	randombytes_buf(key_.data(), key_.size());
@@ -77,7 +77,7 @@ PIByteArray PICrypt::crypt(const PIByteArray & data, PIByteArray key) {
 	if (key.size() != crypto_secretbox_KEYBYTES)
 		key.resize(crypto_secretbox_KEYBYTES, ' ');
 		//return PIByteArray();
-	if (!sodium_init()) return retba;
+	if (!init()) return retba;
 	PIByteArray n;
 	retba.resize(data.size() + crypto_secretbox_MACBYTES);
 	n.resize(crypto_secretbox_NONCEBYTES);
@@ -123,7 +123,7 @@ PIByteArray PICrypt::decrypt(const PIByteArray & crypt_data, PIByteArray key, bo
 		if (ok) *ok = false;
 		return PIByteArray();
 	}
-	if (!sodium_init()) return retba;
+	if (!init()) return retba;
 	PIByteArray n;
 	n.resize(crypto_secretbox_NONCEBYTES);
 	retba.resize(crypt_data.size() - n.size() - crypto_secretbox_MACBYTES);
@@ -144,7 +144,7 @@ PIByteArray PICrypt::decrypt(const PIByteArray & crypt_data, PIByteArray key, bo
 PIByteArray PICrypt::hash(const PIString & secret) {
 	PIByteArray hash;
 #ifdef PIP_CRYPT
-	if (!sodium_init()) return hash;
+	if (!init()) return hash;
 	hash.resize(crypto_generichash_BYTES);
 	PIByteArray s(secret.data(), secret.size());
 	crypto_generichash(hash.data(), hash.size(), s.data(), s.size(), (const uchar*)hash_def_key, sizeof(hash_def_key) - 1);
@@ -159,7 +159,7 @@ ullong PICrypt::shorthash(const PIString& s, PIByteArray key) {
 	ullong hash = 0;
 #ifdef PIP_CRYPT
 	if (crypto_shorthash_BYTES != sizeof(hash)) piCout << "[PICrypt]" << "internal error: bad hash size";
-	if (!sodium_init()) return hash;
+	if (!init()) return hash;
 	if (key.size() != crypto_shorthash_KEYBYTES) {
 		piCout << "[PICrypt]" << "invalid key size" << key.size() << ", shoud be" << crypto_shorthash_KEYBYTES << ", filled zeros";
 		key.resize(crypto_shorthash_KEYBYTES, 0);
@@ -176,7 +176,7 @@ ullong PICrypt::shorthash(const PIString& s, PIByteArray key) {
 PIByteArray PICrypt::generateKey() {
 	PIByteArray hash;
 #ifdef PIP_CRYPT
-	if (!sodium_init()) return hash;
+	if (!init()) return hash;
 	hash.resize(crypto_secretbox_KEYBYTES);
 	randombytes_buf(hash.data(), hash.size());
 #else
@@ -206,4 +206,19 @@ size_t PICrypt::sizeCrypt() {
 }
 
 
+bool PICrypt::init() {
+#ifdef PIP_CRYPT
+	static bool inited = false;
+	if (inited) return true;
+	//piCout << "[PICrypt]" << "init ...";
+	inited = sodium_init();
+	//piCout << "[PICrypt]" << "init" << inited;
+	return inited;
+#else
+	piCout << "[PICrypt]" << "Warning: PICrypt is disabled, to enable install sodium library and build pip with -DCRYPT=";
+#endif
+	return false;
+}
+
+
 
diff --git a/src_main/core/pichar.cpp b/src_main/core/pichar.cpp
index 4563c7c2..710202db 100644
--- a/src_main/core/pichar.cpp
+++ b/src_main/core/pichar.cpp
@@ -32,6 +32,9 @@ char * __sysoemname__ = 0;
 #ifdef BLACKBERRY
 #  include <ctype.h>
 #endif
+//#ifdef ANDROID
+#  include <wchar.h>
+//#endif
 
 /*! \class PIChar
  * \brief Unicode char
@@ -110,7 +113,14 @@ PIChar PIChar::fromUTF8(const char * c) {
 		return ret;
 	}
 #endif
-	ret.ch = *(ushort*)c;
+//#ifdef ANDROID
+	wchar_t wc(0);
+	mbstate_t s;
+	mbrtowc(&wc, c, 4, &s);
+	ret.ch = wc;
+	return ret;
+//#endif
+//	ret.ch = *(ushort*)c;
 	return ret;
 }
 
diff --git a/src_main/core/pistring.cpp b/src_main/core/pistring.cpp
index 23dc6667..6832f5a4 100755
--- a/src_main/core/pistring.cpp
+++ b/src_main/core/pistring.cpp
@@ -21,6 +21,9 @@
 #ifdef PIP_ICU
 #  include "unicode/ucnv.h"
 #endif
+//#ifdef ANDROID
+#  include <wchar.h>
+//#endif
 
 /*! \class PIString
  * \brief String class
@@ -217,25 +220,7 @@ void PIString::appendFromChars(const char * c, int s, const char * cp) {
 			continue;
 		}
 		sz = mbtowc(&wc, &(c[i]), 4);
-		//cout << sz << endl;
-		switch (sz) {
-			case 4:
-				push_back(PIChar(*(int*)&(c[i])));
-				i += 3;
-			continue;
-			case 3:
-				push_back(PIChar(*(int*)&(c[i])));
-				back().ch &= 0xFFFFFF;
-				i += 2;
-			continue;
-			case 2:
-				push_back(PIChar(*(short * )&(c[i])));
-				++i;
-			continue;
-			default:
-				push_back(PIChar(c[i]));
-			break;
-		}
+		push_back(PIChar(int(wc)));
 	}
 }
 
@@ -332,19 +317,28 @@ void PIString::buildData(const char * cp) const {
 		return;
 	}
 #endif
-	uint wc;
-	uchar tc;
+	wchar_t wc;
+	char tc[4];
+	mbstate_t s;
+	int sz(0);
 	//printf("PIString::data %d\n", size_s());
-	for (int i = 0, j = 0; i < size_s(); ++i) {
-		wc = uint(at(i).unicode16Code());
+	for (int i = 0; i < size_s(); ++i) {
+		if (at(i).isAscii()) {
+			data_.push_back(uchar(at(i).toAscii()));
+			continue;
+		}
+		wc = at(i).toWChar();
+		sz = piClampi(wcrtomb(tc, wc, &s), 0, 4);
+		for (int b = 0; b < sz; ++b)
+			data_.push_back(uchar(tc[b]));
 		//printf("__%d_%d\n", i, wc);
-		tc = wc & 0xFF;
+		/*tc = wc & 0xFF;
 		while (tc) {
-			data_.push_back(uchar(tc)); ++j;
+			data_.push_back(uchar(tc));
 			wc >>= 8;
 			tc = wc & 0xFF;
 			//printf("____%d\n", wc);
-		}
+		}*/
 		/*if (at(i).isAscii())
 			data_.push_back(uchar(at(i).toAscii()));
 		else {
@@ -429,7 +423,7 @@ PIString & PIString::operator +=(const char * str) {
 
 PIString & PIString::operator +=(const wchar_t * str) {
 	//cout << "wc" << endl;
-	int l = 0, sz;
+	/*int l = 0, sz;
 	char * c = new char[MB_CUR_MAX];
 	while (str[l] != 0) ++l;
 	for (int i = 0; i < l; ++i) {
@@ -450,7 +444,10 @@ PIString & PIString::operator +=(const wchar_t * str) {
 			break;
 		}
 	}
-	delete[] c;
+	delete[] c;*/
+	int i = -1;
+	while (str[++i])
+		push_back(PIChar(int(str[i])));
 	return *this;
 }
 
diff --git a/src_main/math/picrypt.h b/src_main/math/picrypt.h
index b0182a52..8c657bc7 100644
--- a/src_main/math/picrypt.h
+++ b/src_main/math/picrypt.h
@@ -67,6 +67,8 @@ public:
 	static size_t sizeCrypt();
 
 private:
+	static bool init();
+
 	PIByteArray nonce_, key_;
 	
 };