diff --git a/.github/scripts/build-kinetic.sh b/.github/scripts/build-kinetic.sh
deleted file mode 100755
index 9f43b1e..0000000
--- a/.github/scripts/build-kinetic.sh
+++ /dev/null
@@ -1,98 +0,0 @@
-#!/usr/bin/env bash
-
-source plugins/envsetup
-
-export OVERRIDER_COMPRESSION_TYPE
-export ENABLE_EXIT
-export ENABLE_USER_SETUP
-
-SUITE="kinetic"
-frn="out/$SUITE-raw"
-OVERRIDER_COMPRESSION_TYPE="gzip"
-ENABLE_EXIT=true
-ENABLE_USER_SETUP=false
-PREFIX="${frn}"
-
-additional_setup() {
-
-# GitHub workflow specific
-#  try to add permissions to $chroot_dir/etc/apt/sources.list
-sudo chmod +r+w $chroot_dir/etc/apt/sources.list
-
-cat <<-  EOF > $chroot_dir/etc/apt/sources.list
-# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
-# newer versions of the distribution.
-deb $MIRROR $SUITE main restricted
-# deb-src $MIRROR $SUITE main restricted
-
-## Major bug fix updates produced after the final release of the
-## distribution.
-deb $MIRROR $SUITE-updates main restricted
-# deb-src $MIRROR $SUITE-updates main restricted
-
-## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
-## team. Also, please note that software in universe WILL NOT receive any
-## review or updates from the Ubuntu security team.
-deb $MIRROR $SUITE universe
-# deb-src $MIRROR $SUITE universe
-deb $MIRROR $SUITE-updates universe
-# deb-src $MIRROR $SUITE-updates universe
-
-## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
-## team, and may not be under a free licence. Please satisfy yourself as to
-## your rights to use the software. Also, please note that software in
-## multiverse WILL NOT receive any review or updates from the Ubuntu
-## security team.
-deb $MIRROR $SUITE multiverse
-# deb-src $MIRROR $SUITE multiverse
-deb $MIRROR $SUITE-updates multiverse
-# deb-src $MIRROR $SUITE-updates multiverse
-
-## N.B. software from this repository may not have been tested as
-## extensively as that contained in the main release, although it includes
-## newer versions of some applications which may provide useful features.
-## Also, please note that software in backports WILL NOT receive any review
-## or updates from the Ubuntu security team.
-deb $MIRROR $SUITE-backports main restricted universe multiverse
-# deb-src $MIRROR $SUITE-backports main restricted universe multiverse
-
-EOF
-
-# set up pv
-lshout "Setting up pv..."
-cp $ROOT_DIR/core/pv/pv-${t_arch}.deb $chroot_dir
-run_cmd "dpkg -i /pv-${t_arch}.deb"
-run_cmd "rm /pv-${t_arch}.deb"
-
-# clean any archive if exits
-apt-get clean
-
-}
-
-do_build     "$PREFIX-arm64" arm64
-do_build     "$PREFIX-armhf" armhf
-do_build     "$PREFIX-amd64" amd64
-
-do_compress  "$PREFIX-arm64"
-do_compress  "$PREFIX-armhf"
-do_compress  "$PREFIX-amd64"
-
-do_unmount   "$PREFIX-arm64"
-do_unmount   "$PREFIX-armhf"
-do_unmount   "$PREFIX-amd64"
-
-shout "setting up artifacts for GitHub"
-msg "creating $SUITE-{arm64,amd64,armhf} directories"
-mkdir -pv $SUITE-{arm64,amd64,armhf}
-
-msg "copying tarballs to directories"
-cp -rv $frn-arm64*tar* $SUITE-arm64
-cp -rv $frn-armhf*tar* $SUITE-armhf
-cp -rv $frn-amd64*tar* $SUITE-amd64
-
-msg "calculating sha256sums"
-sha256sum $frn-arm64*tar* > $SUITE-arm64/SHA256SUM
-sha256sum $frn-armhf*tar* > $SUITE-armhf/SHA256SUM
-sha256sum $frn-amd64*tar* > $SUITE-amd64/SHA256SUM
-
-shout "done"
diff --git a/.github/workflows/build-udroid.yml b/.github/workflows/build-udroid.yml
index 887a8d7..051e658 100644
--- a/.github/workflows/build-udroid.yml
+++ b/.github/workflows/build-udroid.yml
@@ -42,36 +42,3 @@ jobs:
         with:
           name: jammy-raw-amd64
           path: jammy-amd64
-  BuildKineticRaw:
-    name: build Kinetc (22.10)
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout repository
-        uses: actions/checkout@v3
-
-      - name: Docker Setup QEMU
-        uses: docker/setup-qemu-action@v2
-
-      - name: Satify Dependencies
-        run: sudo apt-get update; sudo apt-get install git build-essential binfmt-support qemu-user-static debootstrap -y
-
-      - name: Trigger fs-cook
-        run: sudo bash .github/scripts/build-kinetic.sh
-
-      - name: save arm64 builds
-        uses: actions/upload-artifact@v2
-        with:
-          name: kinetic-raw-arm64
-          path: kinetic-arm64
-
-      - name: save armhf builds
-        uses: actions/upload-artifact@v2
-        with:
-          name: kinetic-raw-armhf
-          path: kinetic-armhf
-
-      - name: save amd64 builds
-        uses: actions/upload-artifact@v2
-        with:
-          name: kinetic-raw-amd64
-          path: kinetic-amd64
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1d640eb..7314721 100755
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,8 +8,7 @@ fs-cooks uses debootstrap to pull core Linux packages to build linux traballs, a
 the top-level contains some example build scripts which are lightweight to build and beginning of directories
 ```
 .
-├── build-hirsute-raw.sh -> cook.sh
-├── build-impish-raw.sh
+├── build-jammy.sh -> cook.sh
 ├── cook.sh
 ├── build
 ├── core
@@ -26,8 +25,6 @@ here:
 <hr>
 
 **important files/folders to notice**
-###### `~/core/defaults`
-defaults folder contains some heavy templates to build DE ready tarballs like mate,xfce4,kde
 ###### `~/plugins/envsetup`
 contains functions that can be used for cmd line building and integrating in scripts
 - useful functions in `envsetup`:
@@ -50,12 +47,11 @@ do_build "out/udroid-test" "arm64"
 
 ```bash
 source plugins/envsetup
-SUITE=impish
+SUITE=jammy
 do_build "out/fs" "arm64"
 ```
 ### Quick build scripts
-- `build-impish-raw.sh`: to build raw ubuntu 21.10 tarballs
-- `build-hirsute-raw.sh`: to build raw ubuntu 21.04 tarballs
+- `build-jammy.sh`: to build raw ubuntu 22.04 tarballs
 > others are experimental ( may break things )
 
 ### functions ( <kbd>v1.0</kbd> )
@@ -74,11 +70,15 @@ do_build "out/fs" "arm64"
 - `do_second_stage()`: if foreign arch triggers second stage
 - - `do_qemu_user_emulation()` sets up qemu binaries in chroot
 - `do_chroot_ae()`: to run command in chroot
-- - `run_cmd()`: alternative for `do_chroot_are()`
+- - `do_chroot_proot_ae` : use **proot** instead of chroot in termux
+- - `run_cmd()`: alternative for `do_chroot_ae()`
+- - `run_shell_script()` : to run a specific script, alternative for `do_chroot_ae()`
+- - `install_pkg()` : to install a specific package inside chroot, alternative for `do_chroot_ae()`
 - `do_compress()`:  takes care of compressing tarballs without messy device file
 - - `do_tar_gzip()`: to compress in gzip format
 - - `do_tar_bzip()`: to compress in bzip format
 - - `do_tar_lz4()`: to compress in lzip/lz4 format
+- - `do_tar_zstd()` : to compress in zstd format
 - `arch_translate()`: takes care of translating arch to find qemu static builds
 - `COPY()`: to copy files to target filesystem
 - `die()`: to echo an error message & exit if `ENABLE_EXIT` is set to true
diff --git a/build-kinetic.sh b/build-kinetic.sh
deleted file mode 100755
index cd3ba55..0000000
--- a/build-kinetic.sh
+++ /dev/null
@@ -1,82 +0,0 @@
-#!/usr/bin/env bash
-#shellcheck disable=SC1091
-
-# this is an example file to BUILD raw file system
-# export variable SUITE to set debootstrap suite name (default: hirsute)
-
-source plugins/envsetup
-
-export OVERRIDER_COMPRESSION_TYPE
-export SUITE
-export ENABLE_EXIT
-export ENABLE_USER_SETUP
-
-SUITE="kinetic"
-frn="out/$SUITE-raw"
-OVERRIDER_COMPRESSION_TYPE="gzip"
-ENABLE_EXIT=true
-ENABLE_USER_SETUP=false
-
-additional_setup() {
-cat <<-  EOF > $chroot_dir/etc/apt/sources.list
-# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
-# newer versions of the distribution.
-deb $MIRROR $SUITE main restricted
-# deb-src $MIRROR $SUITE main restricted
-## Major bug fix updates produced after the final release of the
-## distribution.
-deb $MIRROR $SUITE-updates main restricted
-# deb-src $MIRROR $SUITE-updates main restricted
-## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
-## team. Also, please note that software in universe WILL NOT receive any
-## review or updates from the Ubuntu security team.
-deb $MIRROR $SUITE universe
-# deb-src $MIRROR $SUITE universe
-deb $MIRROR $SUITE-updates universe
-# deb-src $MIRROR $SUITE-updates universe
-## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
-## team, and may not be under a free licence. Please satisfy yourself as to
-## your rights to use the software. Also, please note that software in
-## multiverse WILL NOT receive any review or updates from the Ubuntu
-## security team.
-deb $MIRROR $SUITE multiverse
-# deb-src $MIRROR $SUITE multiverse
-deb $MIRROR $SUITE-updates multiverse
-# deb-src $MIRROR $SUITE-updates multiverse
-## N.B. software from this repository may not have been tested as
-## extensively as that contained in the main release, although it includes
-## newer versions of some applications which may provide useful features.
-## Also, please note that software in backports WILL NOT receive any review
-## or updates from the Ubuntu security team.
-deb $MIRROR $SUITE-backports main restricted universe multiverse
-# deb-src $MIRROR $SUITE-backports main restricted universe multiverse
-EOF
-
-# TODO: FOLLOW latest udroid version system ( Add props to /etc/os-release )
-
-# set up pv
-lshout "Setting up pv..."
-cp $ROOT_DIR/core/pv/pv-${t_arch}.deb $chroot_dir
-run_cmd "dpkg -i /pv-${t_arch}.deb"
-run_cmd "rm /pv-${t_arch}.deb"
-
-}
-
-shout "Bootstrapping $SUITE...."
-do_build 	    "${frn}-arm64" arm64
-do_build 	    "${frn}-armhf" armhf
-do_build 	    "${frn}-amd64" amd64
-
-shout "packing up the raw file systems..."
-do_compress     "${frn}-arm64"
-do_compress    	"${frn}-armhf"
-do_compress     "${frn}-amd64"
-
-shout "unmounting the raw file systems from host..."
-do_unmount 	    "${frn}-arm64"
-do_unmount 	    "${frn}-armhf"
-do_unmount 	    "${frn}-amd64"
-
-shout "Build Complete.."
-ls ${frn}*tar*
-
diff --git a/plugins/envsetup b/plugins/envsetup
index 4845b2f..564e759 100755
--- a/plugins/envsetup
+++ b/plugins/envsetup
@@ -24,7 +24,7 @@
 # SOFTWARE.
 
 export ROOT_DIR
-export BUILD_PALTFORM="linux"
+export BUILD_PLATFORM="linux"
 
 _c_magneta="\e[95m"
 _c_green="\e[32m"
@@ -40,12 +40,12 @@ msg()    { echo -e "${*} \e[0m" >&2;:;}
 
 # Check if environment is Termux
 if [ "$(uname -o)" = "Android" ]; then
-    export FS_COOK_PLATFORM="termux"
+    export BUILD_PLATFORM="termux"
 fi
 
 # sudo check
 if [ "$(id -u)" != "0" ]; then
-    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+    if [ "$BUILD_PLATFORM" == "termux" ]; then
         SUDO=""
     else
         if command -v sudo &>/dev/null; then
@@ -111,7 +111,7 @@ do_mount() {
 
 do_unmount()
 {
-    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+    if [ "$BUILD_PLATFORM" == "termux" ]; then
       lshout "Skip unmount for termux"
     else
       local chroot_dir=$1
@@ -241,7 +241,7 @@ foreign_arch() {
 
 includes_packages() {
     # comma sperated values
-    includes="bzip2 pv ${INCLUDE_PACKAGES}"
+    includes="bzip2 pv openssl zstd ${INCLUDE_PACKAGES}"
     # environment variable INCLUDE_PACKAGES
     export includes
     x=0
@@ -266,7 +266,7 @@ do_build() {
     foreign_arch "$arch"
 
     #Disable cross architecture building in Termux
-    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+    if [ "$BUILD_PLATFORM" == "termux" ]; then
         case $worker_arch in
             aarch64) termux_arch="arm64" ;;
             arm*) termux_arch="armhf" ;;
@@ -322,11 +322,10 @@ do_build() {
         _debootstrap=$(which debootstrap)
     fi
 
-    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+    if [ "$BUILD_PLATFORM" == "termux" ]; then
         dpkg_depends_on debootstrap
         _debootstrap="$(which debootstrap)"
         FOREIGN=""
-        ENABLE_USER_SETUP=false
     fi
 
     (
@@ -340,7 +339,7 @@ do_build() {
             $MIRROR
     ) || die "Couldn't debootstrap..."
 
-    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+    if [ "$BUILD_PLATFORM" == "termux" ]; then
         lshout "Skipping second stage for termux"
         arch_translate "$arch"
     else
@@ -411,7 +410,6 @@ setup_user() {
     cp plugins/setup-user.sh $chroot_dir
     sed -i "s/FS_USER/$FS_USER/g" $chroot_dir/setup-user.sh
     sed -i "s/FS_PASS/$FS_PASS/g" $chroot_dir/setup-user.sh
-    install_pkg "openssl"
     run_cmd "chmod +x /setup-user.sh"
     run_cmd "/bin/bash /setup-user.sh"
     run_cmd "rm -rf /setup-user.sh"
@@ -471,7 +469,7 @@ do_chroot_root_ae() {
 }
 
 do_chroot_ae() {
-    if [ $BUILD_PALTFORM == "termux" ]; then
+    if [ $BUILD_PLATFORM == "termux" ]; then
         do_chroot_proot_ae "$@"
     else
         do_chroot_root_ae "$@"
@@ -484,7 +482,7 @@ do_compress() {
     export chroot_dir=$1
     TARGET_FILE="$(basename ${chroot_dir})"
     
-    if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+    if [ "$BUILD_PLATFORM" == "termux" ]; then
         if [ ! -d "$chroot_dir" ]; then
             lshout "Skip compressing $chroot_dir "
             return 0
@@ -499,7 +497,7 @@ do_compress() {
         zstd) do_tar_zstd ;;
         *)
             shout "Unknown compression type"
-            shout "all compression: lz,gzip,bzip2"
+            shout "all compression: lz,gzip,bzip2,zstd"
             die "Giving up!!"
             ;;
         esac
@@ -605,8 +603,7 @@ install_pkg()
 
 banner
 
-if [ "$FS_COOK_PLATFORM" == "termux" ]; then
+if [ "$BUILD_PLATFORM" == "termux" ]; then
     lshout "Running on termux"
-    BUILD_PALTFORM="termux"
 fi
 
diff --git a/plugins/setup-user.sh b/plugins/setup-user.sh
old mode 100644
new mode 100755
index df1dec6..42edc47
--- a/plugins/setup-user.sh
+++ b/plugins/setup-user.sh
@@ -1,14 +1,14 @@
-#!/usr/bin/env bash 
+#!/usr/bin/env bash
 
-# username = FS_USER
-# password = FS_PASS
+# FS_USER = username
+# FS_PASS = password
 
 useradd -m \
-    -p "$(openssl passwd -1 FS_PASS)" \
+    -p "$(openssl passwd -1 $FS_PASS)" \
     -G sudo \
-    -d /home/FS_USER \
+    -d /home/$FS_USER \
     -k /etc/skel \
     -s /bin/bash \
-    FS_USER
-echo FS_USER ALL=\(root\) ALL > /etc/sudoers.d/FS_USER
-chmod 0440 /etc/sudoers.d/FS_USER
+    $FS_USER
+echo $FS_USER ALL=\(root\) ALL > /etc/sudoers.d/$FS_USER
+chmod 0440 /etc/sudoers.d/$FS_USER
diff --git a/plugins/zst-packer.sh b/plugins/zst-packer.sh
old mode 100644
new mode 100755