diff --git a/mobile/tools/build_android_armv7.sh b/mobile/tools/build_android_armv7.sh
new file mode 100755
index 0000000000000000000000000000000000000000..9466aa300ee6c1f6b79d4e7dd082cff7cc310eca
--- /dev/null
+++ b/mobile/tools/build_android_armv7.sh
@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+
+# merge cl to so
+merge_cl_to_so=1
+opencl_kernels="opencl_kernels.cpp"
+cd ../src/operators/kernel/cl
+if [[ -f "${opencl_kernels}" ]]; then
+    rm "${opencl_kernels}"
+fi
+python gen_code.py "${merge_cl_to_so}" >"${opencl_kernels}"
+cd -
+
+# get cl headers
+opencl_header_dir="../third_party/opencl/OpenCL-Headers"
+commit_id="320d7189b3e0e7b6a8fc5c10334c79ef364b5ef6"
+if [[ -d "$opencl_header_dir" && -d "$opencl_header_dir/.git" ]]; then
+    echo "pulling opencl headers"
+    cd $opencl_header_dir
+    git stash
+    git pull
+    git checkout $commit_id
+    cd -
+else
+    echo "cloning opencl headers"
+    rm -rf $opencl_header_dir
+    git clone https://github.com/KhronosGroup/OpenCL-Headers $opencl_header_dir
+    git checkout $commit_id
+fi
+
+build_for_android() {
+    # rm -rf "../build"
+    if [ -z "${NDK_ROOT}" ]; then
+        echo "NDK_ROOT not found!"
+        exit -1
+    fi
+
+    if [ -z "$PLATFORM" ]; then
+        PLATFORM="arm-v7a" # Users could choose "arm-v8a" platform.
+        # PLATFORM="arm-v8a"
+    fi
+
+    if [ "${PLATFORM}" = "arm-v7a" ]; then
+        ABI="armeabi-v7a with NEON"
+        ARM_PLATFORM="V7"
+        CXX_FLAGS="-march=armv7-a -mfpu=neon -mfloat-abi=softfp -pie -fPIE -w -Wno-error=format-security"
+    elif [ "${PLATFORM}" = "arm-v8a" ]; then
+        ABI="arm64-v8a"
+        ARM_PLATFORM="V8"
+        CXX_FLAGS="-march=armv8-a  -pie -fPIE -w -Wno-error=format-security -llog -fuse-ld=gold"
+    else
+        echo "unknown platform!"
+        exit -1
+    fi
+
+    MODE="Release"
+    ANDROID_PLATFORM_VERSION="android-19"
+    TOOLCHAIN_FILE="./tools/android-cmake/android.toolchain.cmake"
+    ANDROID_ARM_MODE="arm"
+
+    cmake .. \
+        -B"../buildreleasev7/${PLATFORM}" \
+        -DANDROID_ABI="${ABI}" \
+        -DCMAKE_BUILD_TYPE="${MODE}" \
+        -DCMAKE_TOOLCHAIN_FILE="${TOOLCHAIN_FILE}" \
+        -DANDROID_PLATFORM="${ANDROID_PLATFORM_VERSION}" \
+        -DCMAKE_CXX_FLAGS="${CXX_FLAGS}" \
+        -DANDROID_STL=c++_static \
+        -DANDROID=true \
+        -DWITH_LOGGING=OFF \
+        -DWITH_PROFILE=OFF \
+        -DWITH_TEST=OFF \
+        -D"${ARM_PLATFORM}"=true
+
+    cd "../buildreleasev7/${PLATFORM}"
+    make -j 8
+}
+
+build_for_android
diff --git a/mobile/tools/build_android_armv8.sh b/mobile/tools/build_android_armv8.sh
new file mode 100755
index 0000000000000000000000000000000000000000..3517227eaaf9cef4ce22fce9cfe1cbcd87d2a7a5
--- /dev/null
+++ b/mobile/tools/build_android_armv8.sh
@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+
+# merge cl to so
+merge_cl_to_so=1
+opencl_kernels="opencl_kernels.cpp"
+cd ../src/operators/kernel/cl
+if [[ -f "${opencl_kernels}" ]]; then
+    rm "${opencl_kernels}"
+fi
+python gen_code.py "${merge_cl_to_so}" >"${opencl_kernels}"
+cd -
+
+# get cl headers
+opencl_header_dir="../third_party/opencl/OpenCL-Headers"
+commit_id="320d7189b3e0e7b6a8fc5c10334c79ef364b5ef6"
+if [[ -d "$opencl_header_dir" && -d "$opencl_header_dir/.git" ]]; then
+    echo "pulling opencl headers"
+    cd $opencl_header_dir
+    git stash
+    git pull
+    git checkout $commit_id
+    cd -
+else
+    echo "cloning opencl headers"
+    rm -rf $opencl_header_dir
+    git clone https://github.com/KhronosGroup/OpenCL-Headers $opencl_header_dir
+    git checkout $commit_id
+fi
+
+build_for_android() {
+    # rm -rf "../build"
+    if [ -z "${NDK_ROOT}" ]; then
+        echo "NDK_ROOT not found!"
+        exit -1
+    fi
+
+    if [ -z "$PLATFORM" ]; then
+        # PLATFORM="arm-v7a" # Users could choose "arm-v8a" platform.
+        PLATFORM="arm-v8a"
+    fi
+
+    if [ "${PLATFORM}" = "arm-v7a" ]; then
+        ABI="armeabi-v7a with NEON"
+        ARM_PLATFORM="V7"
+        CXX_FLAGS="-march=armv7-a -mfpu=neon -mfloat-abi=softfp -pie -fPIE -w -Wno-error=format-security"
+    elif [ "${PLATFORM}" = "arm-v8a" ]; then
+        ABI="arm64-v8a"
+        ARM_PLATFORM="V8"
+        CXX_FLAGS="-march=armv8-a  -pie -fPIE -w -Wno-error=format-security -llog -fuse-ld=gold"
+    else
+        echo "unknown platform!"
+        exit -1
+    fi
+
+    MODE="Release"
+    ANDROID_PLATFORM_VERSION="android-19"
+    TOOLCHAIN_FILE="./tools/android-cmake/android.toolchain.cmake"
+    ANDROID_ARM_MODE="arm"
+
+    cmake .. \
+        -B"../buildreleasev8/${PLATFORM}" \
+        -DANDROID_ABI="${ABI}" \
+        -DCMAKE_BUILD_TYPE="${MODE}" \
+        -DCMAKE_TOOLCHAIN_FILE="${TOOLCHAIN_FILE}" \
+        -DANDROID_PLATFORM="${ANDROID_PLATFORM_VERSION}" \
+        -DCMAKE_CXX_FLAGS="${CXX_FLAGS}" \
+        -DANDROID_STL=c++_static \
+        -DANDROID=true \
+        -DWITH_LOGGING=OFF \
+        -DWITH_PROFILE=OFF \
+        -DWITH_TEST=OFF \
+        -D"${ARM_PLATFORM}"=true
+
+    cd "../buildreleasev8/${PLATFORM}"
+    make -j 8
+}
+
+build_for_android