diff --git a/Dockerfile.android b/Dockerfile.android
new file mode 100644
index 0000000..17bd918
--- /dev/null
+++ b/Dockerfile.android
@@ -0,0 +1,245 @@
+FROM debian:stretch
+
+ARG THREADS=1
+ARG ANDROID_NDK_REVISION=21d
+ARG ANDROID_NDK_HASH=bcf4023eb8cb6976a4c7cff0a8a8f145f162bf4d
+ARG ANDROID_SDK_REVISION=4333796
+ARG ANDROID_SDK_HASH=92ffee5a1d98d856634e8b71132e8a95d96c83a63fde1099be3d86df3106def9
+ARG QT_VERSION=5.15.2
+
+WORKDIR /opt/android
+ENV WORKDIR=/opt/android
+
+ENV ANDROID_NATIVE_API_LEVEL=28
+ENV ANDROID_API=android-${ANDROID_NATIVE_API_LEVEL}
+ENV ANDROID_CLANG=aarch64-linux-android${ANDROID_NATIVE_API_LEVEL}-clang
+ENV ANDROID_CLANGPP=aarch64-linux-android${ANDROID_NATIVE_API_LEVEL}-clang++
+ENV ANDROID_NDK_ROOT=${WORKDIR}/android-ndk-r${ANDROID_NDK_REVISION}
+ENV ANDROID_SDK_ROOT=${WORKDIR}/tools
+ENV JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+ENV PATH=${JAVA_HOME}/bin:${PATH}
+ENV PREFIX=${WORKDIR}/prefix
+ENV TOOLCHAIN_DIR=${ANDROID_NDK_ROOT}/toolchains/llvm/prebuilt/linux-x86_64
+
+RUN apt-get update \
+    && apt-get install -y ant automake build-essential ca-certificates-java file gettext git libc6 libncurses5 \
+    libssl-dev libstdc++6 libtinfo5 libtool libz1 openjdk-8-jdk-headless openjdk-8-jre-headless pkg-config python3 \
+    unzip wget
+
+RUN wget -q https://dl.google.com/android/repository/sdk-tools-linux-${ANDROID_SDK_REVISION}.zip \
+    && unzip -q sdk-tools-linux-${ANDROID_SDK_REVISION}.zip \
+    && rm -f sdk-tools-linux-${ANDROID_SDK_REVISION}.zip
+
+RUN wget -q https://dl.google.com/android/repository/android-ndk-r${ANDROID_NDK_REVISION}-linux-x86_64.zip \
+    && unzip -q android-ndk-r${ANDROID_NDK_REVISION}-linux-x86_64.zip \
+    && rm -f android-ndk-r${ANDROID_NDK_REVISION}-linux-x86_64.zip
+
+RUN cd ${ANDROID_SDK_ROOT} && echo y | ./bin/sdkmanager "platform-tools" "platforms;${ANDROID_API}" "tools" > /dev/null
+RUN cp -r ${WORKDIR}/platforms ${WORKDIR}/platform-tools ${ANDROID_SDK_ROOT}
+
+ENV HOST_PATH=${PATH}
+ENV PATH=${TOOLCHAIN_DIR}/aarch64-linux-android/bin:${TOOLCHAIN_DIR}/bin:${PATH}
+
+ARG ZLIB_VERSION=1.2.11
+ARG ZLIB_HASH=c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1
+RUN wget -q https://zlib.net/zlib-${ZLIB_VERSION}.tar.gz \
+    && tar -xzf zlib-${ZLIB_VERSION}.tar.gz \
+    && rm zlib-${ZLIB_VERSION}.tar.gz \
+    && cd zlib-${ZLIB_VERSION} \
+    && CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} ./configure --prefix=${PREFIX} --static \
+    && make -j${THREADS} \
+    && make -j${THREADS} install \
+    && rm -rf $(pwd)
+
+RUN git clone git://code.qt.io/qt/qt5.git -b ${QT_VERSION} --depth 1 \
+    && cd qt5 \
+    && perl init-repository --module-subset=default,-qtwebengine \
+    && PATH=${HOST_PATH} ./configure -v -developer-build -release \
+    -xplatform android-clang \
+    -android-ndk-platform ${ANDROID_API} \
+    -android-ndk ${ANDROID_NDK_ROOT} \
+    -android-sdk ${ANDROID_SDK_ROOT} \
+    -android-ndk-host linux-x86_64 \
+    -no-dbus \
+    -opengl es2 \
+    -no-use-gold-linker \
+    -no-sql-mysql \
+    -opensource -confirm-license \
+    -android-arch arm64-v8a \
+    -prefix ${PREFIX} \
+    -nomake tools -nomake tests -nomake examples \
+    -skip qtwebengine \
+    -skip qtserialport \
+    -skip qtconnectivity \
+    -skip qttranslations \
+    -skip qtpurchasing \
+    -skip qtgamepad -skip qtscript -skip qtdoc \
+    -no-warnings-are-errors \
+    && sed -i '213,215d' qtbase/src/3rdparty/pcre2/src/sljit/sljitConfigInternal.h \
+    && PATH=${HOST_PATH} make -j${THREADS} \
+    && PATH=${HOST_PATH} make -j${THREADS} install \
+    && cd qttools/src/linguist/lrelease \
+    && ../../../../qtbase/bin/qmake \
+    && PATH=${HOST_PATH} make -j${THREADS} install \
+    && cd ../../../.. \
+    && rm -rf $(pwd)
+
+ARG ICONV_VERSION=1.16
+ARG ICONV_HASH=e6a1b1b589654277ee790cce3734f07876ac4ccfaecbee8afa0b649cf529cc04
+RUN wget -q http://ftp.gnu.org/pub/gnu/libiconv/libiconv-${ICONV_VERSION}.tar.gz \
+    && echo "${ICONV_HASH}  libiconv-${ICONV_VERSION}.tar.gz" | sha256sum -c \
+    && tar -xzf libiconv-${ICONV_VERSION}.tar.gz \
+    && rm -f libiconv-${ICONV_VERSION}.tar.gz \
+    && cd libiconv-${ICONV_VERSION} \
+    && CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} ./configure --build=x86_64-linux-gnu --host=aarch64 --prefix=${PREFIX} --disable-rpath \
+    && make -j${THREADS} \
+    && make -j${THREADS} install
+
+ARG BOOST_VERSION=1_74_0
+ARG BOOST_VERSION_DOT=1.74.0
+ARG BOOST_HASH=83bfc1507731a0906e387fc28b7ef5417d591429e51e788417fe9ff025e116b1
+RUN wget -q https://dl.bintray.com/boostorg/release/${BOOST_VERSION_DOT}/source/boost_${BOOST_VERSION}.tar.bz2 \
+    && echo "${BOOST_HASH}  boost_${BOOST_VERSION}.tar.bz2" | sha256sum -c \
+    && tar -xf boost_${BOOST_VERSION}.tar.bz2 \
+    && rm -f boost_${BOOST_VERSION}.tar.bz2 \
+    && cd boost_${BOOST_VERSION} \
+    && PATH=${HOST_PATH} ./bootstrap.sh --prefix=${PREFIX} \
+    && PATH=${TOOLCHAIN_DIR}/bin:${HOST_PATH} ./b2 --build-type=minimal link=static runtime-link=static \
+    --with-chrono --with-date_time --with-filesystem --with-program_options --with-regex --with-serialization \
+    --with-system --with-thread --with-locale --build-dir=android --stagedir=android toolset=clang threading=multi \
+    threadapi=pthread target-os=android -sICONV_PATH=${PREFIX} \
+    cflags='--target=aarch64-linux-android' \
+    cxxflags='--target=aarch64-linux-android' \
+    linkflags='--target=aarch64-linux-android --sysroot=${ANDROID_NDK_ROOT}/platforms/${ANDROID_API}/arch-arm64 ${ANDROID_NDK_ROOT}/sources/cxx-stl/llvm-libc++/libs/arm64-v8a/libc++_shared.so -nostdlib++' \
+    install -j${THREADS} \
+    && rm -rf $(pwd)
+
+ARG OPENSSL_VERSION=1.1.1g
+ARG OPENSSL_HASH=ddb04774f1e32f0c49751e21b67216ac87852ceb056b75209af2443400636d46
+RUN wget -q https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz \
+    && tar -xzf openssl-${OPENSSL_VERSION}.tar.gz \
+    && rm openssl-${OPENSSL_VERSION}.tar.gz \
+    && cd openssl-${OPENSSL_VERSION} \
+    && ANDROID_NDK_HOME=${ANDROID_NDK_ROOT} ./Configure CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} \
+    android-arm64 no-asm no-shared --static \
+    --with-zlib-include=${PREFIX}/include --with-zlib-lib=${PREFIX}/lib \
+    --prefix=${PREFIX} --openssldir=${PREFIX} \
+    && sed -i 's/CNF_EX_LIBS=-ldl -pthread//g;s/BIN_CFLAGS=-pie $(CNF_CFLAGS) $(CFLAGS)//g' Makefile \
+    && ANDROID_NDK_HOME=${ANDROID_NDK_ROOT} make -j${THREADS} \
+    && make -j${THREADS} install \
+    && rm -rf $(pwd)
+
+ARG ZMQ_VERSION=v4.3.3
+ARG ZMQ_HASH=04f5bbedee58c538934374dc45182d8fc5926fa3
+RUN git clone https://github.com/zeromq/libzmq.git -b ${ZMQ_VERSION} --depth 1 \
+    && cd libzmq \
+    && git checkout ${ZMQ_HASH} \
+    && ./autogen.sh \
+    && CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} ./configure --prefix=${PREFIX} --host=aarch64-linux-android \
+    --enable-static --disable-shared \
+    && make -j${THREADS} \
+    && make -j${THREADS} install \
+    && rm -rf $(pwd)
+
+ARG SODIUM_VERSION=1.0.18
+ARG SODIUM_HASH=4f5e89fa84ce1d178a6765b8b46f2b6f91216677
+RUN set -ex \
+    && git clone https://github.com/jedisct1/libsodium.git -b ${SODIUM_VERSION} --depth 1 \
+    && cd libsodium \
+    && test `git rev-parse HEAD` = ${SODIUM_HASH} || exit 1 \
+    && ./autogen.sh \
+    && CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} ./configure --prefix=${PREFIX} --host=aarch64-linux-android --enable-static --disable-shared \
+    && make -j${THREADS} install \
+    && rm -rf $(pwd)
+
+RUN git clone -b libgpg-error-1.38 --depth 1 git://git.gnupg.org/libgpg-error.git \
+    && cd libgpg-error \
+    && git reset --hard 71d278824c5fe61865f7927a2ed1aa3115f9e439 \
+    && ./autogen.sh \
+    && CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} ./configure --host=aarch64-linux-android --prefix=${PREFIX} --disable-rpath --disable-shared --enable-static --disable-doc --disable-tests \
+    && PATH=${TOOLCHAIN_DIR}/bin:${HOST_PATH} make -j${THREADS} \
+    && make -j${THREADS} install \
+    && rm -rf $(pwd)
+
+RUN git clone -b libgcrypt-1.8.5 --depth 1 git://git.gnupg.org/libgcrypt.git \
+    && cd libgcrypt \
+    && git reset --hard 56606331bc2a80536db9fc11ad53695126007298 \
+    && ./autogen.sh \
+    && CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} ./configure --host=aarch64-linux-android --prefix=${PREFIX} --with-gpg-error-prefix=${PREFIX} --disable-shared --enable-static --disable-doc --disable-tests \
+    && PATH=${TOOLCHAIN_DIR}/bin:${HOST_PATH} make -j${THREADS} \
+    && make -j${THREADS} install \
+    && rm -rf $(pwd)
+
+RUN cd tools \
+    && wget -q http://dl-ssl.google.com/android/repository/tools_r25.2.5-linux.zip \
+    && unzip -q tools_r25.2.5-linux.zip \
+    && rm -f tools_r25.2.5-linux.zip \
+    && echo y | ${ANDROID_SDK_ROOT}/tools/android update sdk --no-ui --all --filter build-tools-28.0.3
+
+RUN git clone -b v3.19.7 --depth 1 https://github.com/Kitware/CMake \
+    && cd CMake \
+    && git reset --hard 22612dd53a46c7f9b4c3f4b7dbe5c78f9afd9581 \
+    && PATH=${HOST_PATH} ./bootstrap \
+    && PATH=${HOST_PATH} make -j${THREADS} \
+    && PATH=${HOST_PATH} make -j${THREADS} install \
+    && rm -rf $(pwd)
+
+RUN git clone -b v1.6.35 --depth 1 https://github.com/glennrp/libpng.git && \
+    cd libpng && \
+    git reset --hard c17d164b4467f099b4484dfd4a279da0bc1dbd4a \
+    && CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} ./configure --with-zlib-prefix="${PREFIX}" --host=aarch64-linux-android --prefix=${PREFIX} --disable-shared --enable-static \
+    && PATH=${TOOLCHAIN_DIR}/bin:${HOST_PATH} make -j${THREADS} \
+    && make -j${THREADS} install \
+    && rm -rf $(pwd)
+
+# @TODO: don't hardcode ANDROID_PLATFORM
+RUN git clone -b v4.0.2 --depth 1 https://github.com/fukuchi/libqrencode.git && \
+    cd libqrencode && \
+    git reset --hard 59ee597f913fcfda7a010a6e106fbee2595f68e4 && \
+    CC=${ANDROID_CLANG} CXX=${ANDROID_CLANGPP} cmake \
+    -DCMAKE_TOOLCHAIN_FILE="${ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake" \
+    -DANDROID_PLATFORM="28" \
+    -DBUILD_SHARED_LIBS=OFF \
+    -DARCH="armv8-a" \
+    -DANDROID_ABI="arm64-v8a" \
+    -DANDROID_TOOLCHAIN=clang \
+    -DCMAKE_PREFIX_PATH="${PREFIX}" \
+    -DPNG_PNG_INCLUDE_DIR="${PREFIX}/include/libpng16/" \
+    -DPNG_LIBRARY="${PREFIX}/lib/libqtlibpng_arm64-v8a.a" \
+    -DICONV_LIBRARY=/opt/android/prefix/lib/libiconv.a \
+    -DICONV_INCLUDE_DIR=/opt/android/prefix/include/ \
+    -DCMAKE_INSTALL_PREFIX="${PREFIX}" && \
+    make -j$THREADS && \
+    make -j$THREADS install && \
+    rm -rf $(pwd)
+
+RUN ls -al && uname -a
+
+# @TODO: switch to Release
+CMD set -ex \
+    && cd /wowlet \
+    && mkdir -p build/Android/release \
+    && cd build/Android/release \
+    && E=1 cmake \
+    -DCMAKE_TOOLCHAIN_FILE="${ANDROID_NDK_ROOT}/build/cmake/android.toolchain.cmake" \
+    -DCMAKE_PREFIX_PATH="${PREFIX}" \
+    -DCMAKE_FIND_ROOT_PATH="${PREFIX}" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DARCH="armv8-a" \
+    -DANDROID_NATIVE_API_LEVEL=${ANDROID_NATIVE_API_LEVEL} \
+    -DANDROID_ABI="arm64-v8a" \
+    -DANDROID_TOOLCHAIN=clang \
+    -DBoost_USE_STATIC_RUNTIME=ON \
+    -DLRELEASE_PATH="${PREFIX}/bin" \
+    -DQT_ANDROID_APPLICATION_BINARY="wowlet" \
+    -DWITH_SCANNER=ON \
+    -DUSE_DEVICE_TREZOR=OFF \
+    -DUSE_SINGLE_BUILDDIR=ON \
+    -DMANUAL_SUBMODULES=1 \
+    -DUSE_SINGLE_BUILDDIR=ON \
+    -DQML=ON \
+    -DANDROID=ON \
+    ../../.. \
+    && PATH=${HOST_PATH} make generate_translations_header \
+    && make -j${THREADS} -C src \
+    && make -j${THREADS} apk