diff --git a/.hgignore b/.hgignore
index 9baa1f15..8a016f6c 100644
--- a/.hgignore
+++ b/.hgignore
@@ -70,6 +70,8 @@ python-build/ncurses
 python-build/readline-6.3
 python-build/readline
 python-modules/numpy/numpy-*
+python-modules/twisted/Twisted-*
+python-modules/pillow/Pillow*
 syntax: regexp
 (python|lua|python3-alpha)/.*\.o
 python/.*\.pyc
diff --git a/python-modules/PyCrypto/Makefile b/python-modules/PyCrypto/Makefile
index 242a4be5..63838b8c 100644
--- a/python-modules/PyCrypto/Makefile
+++ b/python-modules/PyCrypto/Makefile
@@ -113,7 +113,8 @@ $(SRCDIR): $(SRCTGZ)
 	for i in ../*.patch; do \
 	    patch -p1 -i $$i; \
 	done
-	cd $@; ln -sf $(PY4A_SRC)/python-build/python-libs/py4a .
+	cp -r $(PY4A_SRC)/python-build/python-libs/py4a $@/
+	cp __main__.py $@/py4a
 	touch $@
 
 $(DISTWHL): $(SRCDIR)
diff --git a/python-modules/PyCrypto/__main__.py b/python-modules/PyCrypto/__main__.py
new file mode 100644
index 00000000..af3d23cf
--- /dev/null
+++ b/python-modules/PyCrypto/__main__.py
@@ -0,0 +1,12 @@
+import sys
+import py4a
+
+
+if __name__ == "__main__":
+    py4a.patch_distutils()
+    sys.argv = sys.argv[1:]     # remove py4a
+
+    # PyCrypto
+    import setup
+
+# vi: ft=python:et:ts=4:nowrap:fdm=marker
diff --git a/python-modules/numpy/__main__.py b/python-modules/numpy/__main__.py
new file mode 100644
index 00000000..8d26b493
--- /dev/null
+++ b/python-modules/numpy/__main__.py
@@ -0,0 +1,13 @@
+import sys
+import py4a
+
+
+if __name__ == "__main__":
+    py4a.patch_distutils()
+    sys.argv = sys.argv[1:]     # remove py4a
+
+    # numpy
+    import setup
+    setup.setup_package()
+
+# vi: ft=python:et:ts=4:nowrap:fdm=marker
diff --git a/python-modules/twisted/Makefile b/python-modules/twisted/Makefile
new file mode 100644
index 00000000..580f1393
--- /dev/null
+++ b/python-modules/twisted/Makefile
@@ -0,0 +1,173 @@
+# Copyright 2017, 2015 Shimoda (kuri65536 at hotmail dot com)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This makefile builds the host binary (egg).
+# minimize duplication between the build rules.
+VERSION := 17.1.0
+NAME := Twisted
+URL = https://files.pythonhosted.org/packages/source/T/Twisted/$(SRCARC)
+
+# settings {{{1
+SRCDIR := $(NAME)-$(VERSION)
+SRCARC := $(NAME)-$(VERSION).tar.bz2
+ARCOPTS := xjf
+
+DISTWHL = $(NAME)-$(VERSION)-$(PYVER)-$(PYABI)-$(PYTHON_PLATNAME).whl
+
+
+ifeq (x$(NDK_PATH),x)
+    errmsg := "NDK_PATH is null"
+endif
+
+## python 2 or 3 {{{2
+PY4A_SRC := $(abspath ../..)
+
+ifeq (x$(ARCH),xx86)
+    errmsg += x86 arch is not supported, now.  #
+
+else
+    ARCH := arm
+    PYHOST := linux-armv
+endif
+
+ifeq (x$(PY),x2)
+    # python2 is not maintained, now.
+    PYSUB := 2.7
+
+    export PY4A_ := $(PY4A_SRC)/python-build/python
+    export PY4A_ROOT := $(ANDROID_NDK)/platforms/android-3/arch-arm
+    export PY4A := $(PY4A_SRC)/python-build/python
+    PYTHON_FOR_BUILD := $(PY4A_SRC)/python-build/host/bin/python
+
+else ifeq (x$(PY),x3)
+    PYTHON_PLATNAME := linux-armv7l
+    export _PYTHON_HOST_PLATFORM := arm-linux-androideabi
+    export EXT_SUFFIX := .cpython-36m-$(_PYTHON_HOST_PLATFORM).so
+    export SOABI := cpython-36m-arm-linux-androideabi
+    PYTHON_FOR_BUILD := $(PY4A_SRC)/python3-alpha/host/bin/python3
+    pylib := $(PY4A_SRC)/python3-alpha/python3_arm/python3/lib
+
+    VER_MAJ := 3.6
+    PYVER := cp36
+    PYABI := cp36m
+    ARCH=arm
+
+    TARGET := arm-linux-androideabi
+    tabi := $(TARGET)-4.9
+    _ANDROID_ARCH = arch-arm
+
+    PY4A := $(PY4A_SRC)/python3-alpha/python3_$(ARCH)/python3
+    export PY4A_INC := $(PY4A)/include/python$(VER_MAJ)m
+    export PY4A_LIB := $(PY4A)/lib
+    opt_setup := -m py4a
+    export ANDROID_API := android-9
+
+    export PYTHONSRC := $(PY4A_SRC)/python3-alpha/python-src_arm
+
+else
+    errmsg += ", PY is null, specify 2 or 3"
+endif
+
+# build variables {{{1
+# PWD for py4a module
+# export PYTHONPATH := $(PYTHONPATH):$(PWD)
+
+BUILDMACHINE := $(shell uname -m)
+BUILDOS := $(shell uname -s | tr A-Z a-z)
+BUILDARCH := $(BUILDMACHINE)-$(BUILDOS)-gnu
+BUILD := $(BUILDOS)-$(BUILDMACHINE)
+ifeq (x$(host),x)
+    # check host variable: linux-x86_64, linux-x86 or darwin-x86
+    host := $(BUILDOS)-$(BUILDMACHINE)
+endif
+
+ifeq (x$(ARCH),xx86)
+    export CC := 
+else
+    #these are set in py4a/__init__.py
+    # export CC := arm-linux-androideabi-gcc --sysroot=$(PY4A_ROOT)
+    # export CFLAGS := -mtune=xscale -march=armv5te -msoft-float
+endif
+
+# build settings section 2 {{{1
+ANDROID_NDK_ROOT := $(NDK_PATH)
+export ANDROID_SYSROOT := $(NDK_PATH)/platforms/$(ANDROID_API)/$(_ANDROID_ARCH)
+export ANDROID_TOOLCHAIN := $(NDK_PATH)/toolchains/$(tabi)/prebuilt/$(host)/bin
+export PATH := $(ANDROID_TOOLCHAIN):$(PATH)
+
+
+ifeq (x$(errmsg),x)
+    all: build
+else
+    all: error
+endif
+
+# build rules {{{1
+.PHONY: all error build clean
+
+error:
+	@echo $(errmsg)
+
+build: $(DISTWHL)
+
+clean:
+	rm -rf $(DISTWHL) $(SRCDIR)
+
+$(SRCARC):
+	wget -O $@ $(URL)
+
+$(SRCDIR): $(SRCARC)
+	rm -rf $@
+	tar $(ARCOPTS) $<
+	cp -r  $(PY4A_SRC)/python-build/python-libs/py4a $@/
+	cd $@/py4a; ln -sf ../../__main__.py .
+	# cd $@; for i in $(PWD)/*.patch; do patch -p1 -i $$i; done
+	touch $@
+
+#these are set in py4a/__init__.py
+# export CFLAGS += --sysroot=$(NDK_SYSROOT) -DANDROID \
+#                  -fPIE -fvisibility=default
+# export CXXFLAGS = $(CFLAGS)
+# export CPPFLAGS = $(CFLAGS)
+# export LDFLAGS := --sysroot=$(NDK_SYSROOT) \
+#                   -rdynamic -fPIE
+# export LDSHARED := $(LDFLAGS)
+
+
+depend:
+	pip download incremental
+	$(PYTHON_FOR_BUILD) -m pip install incremental*.whl
+	touch $`
+
+
+$(DISTWHL): $(SRCDIR) depend
+	# cd $(dir $<); python setup.py --help; exit 1
+	# invalid: --plat-name=linux-armv
+	@echo these might be null, are set by py4a/__init__.py
+	@echo PATH    : $(PATH)
+	@echo CC      : $(CC)
+	@echo CFLAGS  : $(CFLAGS)
+	@echo CPPFLAGS: $(CPPFLAGS)
+	@echo CXXFLAGS: $(CXXFLAGS)
+	@echo LDFLAGS : $(LDFLAGS)
+	@echo LDSHARED: $(LDSHARED)
+	@echo PYTHONPATH: $$PYTHONPATH
+	arm-linux-androideabi-gcc -v
+	cd $<; \
+	  $(PYTHON_FOR_BUILD) $(opt_setup) setup.py bdist_wheel \
+	    --plat-name=$(PYTHON_PLATNAME) --dist-dir ..
+#	  $(HOSTPYTHON) -m py4a setup.py -v build --fcompiler=fake
+
+# end of file {{{1
+# vi: ft=make:ts=4:et:nowrap:fdm=marker
diff --git a/python-modules/twisted/__main__.py b/python-modules/twisted/__main__.py
new file mode 100644
index 00000000..ef70cb2f
--- /dev/null
+++ b/python-modules/twisted/__main__.py
@@ -0,0 +1,21 @@
+import sys
+import py4a
+
+import setuptools
+
+
+if __name__ == "__main__":
+    py4a.patch_distutils()
+    sys.argv = sys.argv[1:]     # remove py4a
+
+    # twisted
+    _setup = {}
+    with open('src/twisted/python/_setup.py') as f:
+        exec(f.read(), _setup)
+
+    try:
+        setuptools.setup(**_setup["getSetupArgs"]())
+    except KeyboardInterrupt:
+        sys.exit(1)
+
+# vi: ft=python:et:ts=4:nowrap:fdm=marker