diff --git a/android/NOTE b/android/NOTE
deleted file mode 100644
index b43a5872..00000000
--- a/android/NOTE
+++ /dev/null
@@ -1,11 +0,0 @@
-
-
-This android build setup ist out-dated.
-Please use the new setup presented in directory
-buildozer.
-
-LB221118.
-
-This Directory will soon be deleted from the Repo.
-
-LB230919.
diff --git a/android/debian/README b/android/debian/README
deleted file mode 100644
index e9db191d..00000000
--- a/android/debian/README
+++ /dev/null
@@ -1,16 +0,0 @@
-Actions to take upon a freshly installed Debian stretch/xfce (virtualbox).
-
-Do something like:
-
-user$ su
-- enter root password.
-
-root$ ./apt-install.sh
-- .... some output.
-
-root$ exit
-
-Now all required packages are installed to proceed with the
-android build.
-
-LB170709.
diff --git a/android/debian/apt-installs.sh b/android/debian/apt-installs.sh
deleted file mode 100755
index d1eaf138..00000000
--- a/android/debian/apt-installs.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/bin/sh
-set -e
-
-# install as root
-
-apt-get install -y \
-  git \
-  openjdk-8-jdk \
-  cython3 \
-  python3-pip \
-  python3-yaml \
-  virtualenv \
-  pkg-config \
-  automake autoconf libtool \
-  zlib1g-dev \
-  libsdl2-dev libsdl2-image-dev libsdl2-mixer-dev libsdl2-ttf-dev \
-  libtinfo5 \
-  lld
-
-update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
-
-apt-get install -y --no-install-recommends \
-  imagemagick \
-  python3-tk \
-  ccache \
-  libltdl-dev
-
-# set python3 as default.
-# make python alternatives selectable.
-# (debian stretch, adapt for different versions)
-
-update-alternatives --install /usr/bin/python python /usr/bin/python2.7 1
-update-alternatives --install /usr/bin/python python /usr/bin/python3.5 2
-
diff --git a/android/initsdk b/android/initsdk
deleted file mode 100755
index f41acda4..00000000
--- a/android/initsdk
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/bin/bash
-set -eux
-# This script mimics the instructions laid out in the p4a documentation:
-# https://python-for-android.readthedocs.io/en/latest/quickstart/
-
-. mkp4a.common
-
-urlbase=https://dl.google.com/android/repository/
-
-if [[ -d $ndkdir ]]; then
-  echo "Skipping NDK installation: NDK directory already exists."
-else
-  mkdir -p $ndkdir
-  ndk_zip=android-ndk-${ndkver}-linux-x86_64.zip
-  [ -a $ndk_zip ] || wget $urlbase/$ndk_zip
-  unzip -d $(dirname $ndkdir) $ndk_zip
-fi
-
-if [[ -d $sdkdir  ]]; then
-  echo "Skipping SDK installation: SDK directory already exists."
-else
-  mkdir -p $sdkdir
-  tools_zip=sdk-tools-linux-4333796.zip
-  [ -a $tools_zip ] || wget $urlbase/$tools_zip
-  unzip -d $sdkdir $tools_zip
-
-  $sdkdir/tools/bin/sdkmanager 'platforms;android-27'
-  $sdkdir/tools/bin/sdkmanager 'build-tools;29.0.1'
-fi
-
-
diff --git a/android/initsupport b/android/initsupport
deleted file mode 100755
index 71877496..00000000
--- a/android/initsupport
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-set -eux
-# Download android support library from maven
-
-. mkp4a.common
-
-liburl="https://maven.google.com/com/android/support/support-v4/24.1.1"
-libname="support-v4-24.1.1.aar"
-
-. mkp4a.preload supportlib ${liburl} ${libname}
diff --git a/android/main.py b/android/main.py
deleted file mode 100755
index c3dac4bd..00000000
--- a/android/main.py
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env python3
-# ---------------------------------------------------------------------------
-#
-# PySol -- a Python Solitaire game
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; see the file COPYING.
-# If not, write to the Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# ---------------------------------------------------------------------------
-
-# Starter for kivy/android using buildozer: Needs an explizitly
-# named main.py as startpoint.
-
-import sys
-if '--kivy' not in sys.argv:
-    sys.argv.append('--kivy')
-
-runmain = True
-if runmain:
-    from pysollib.init import init
-init()
-
-if runmain:
-    from pysollib.main import main
-sys.exit(main(sys.argv))
diff --git a/android/mkcards b/android/mkcards
deleted file mode 100755
index d28df654..00000000
--- a/android/mkcards
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/bash
-set -eux
-
-. mkp4a.common
-
-echo '### prepare cardsets'
-
-if [ ! -f ${cardsets_file} ]; then
-  echo '### downloading cardsets'
-  wget https://netix.dl.sourceforge.net/project/pysolfc/PySolFC-Cardsets/minimal/${cardsets_file}
-fi
-
-if [ ! -d ${cardsets_dir} ]; then
-  echo '### extracting cardsets'
-  tar -xf ${cardsets_file}
-fi
-
-echo '### processing cardsets'
-(
-  cd ${cardsets_dir}
-  ../../scripts/cardconv gif png
-  for i in cardset-*-png; do
-    rm -rf `basename $i -png`
-  done
-)
-
-echo '### end cardsets'
diff --git a/android/mkkeystore b/android/mkkeystore
deleted file mode 100755
index cbdba26d..00000000
--- a/android/mkkeystore
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/bash
-set -eux
-
-# memo:
-# keytool -genkey -v -keystore my-release-keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 12000
-
-mkdir -p bin
-
-if [ -f ./bin/keystore ]; then
-  echo "keystore is already defined"
-else
-  keytool -genkey -v -keystore ./bin/keystore -alias python -keyalg RSA -keysize 2048 -validity 12000
-fi
diff --git a/android/mkp4a.clean b/android/mkp4a.clean
deleted file mode 100755
index c8ea6f26..00000000
--- a/android/mkp4a.clean
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-set -eux
-
-rm -rf tmp
-python3 -m pythonforandroid.toolchain clean_dists
-python3 -m pythonforandroid.toolchain clean_builds
-rm -f *.apk
-rm -rf PySolFC-Cardsets--Minimal-2.2.0
diff --git a/android/mkp4a.cleanall b/android/mkp4a.cleanall
deleted file mode 100755
index ad1d4bdf..00000000
--- a/android/mkp4a.cleanall
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/bash
-set -e
-
-rm -rf tmp
-rm -f *.apk
-rm -f *.bz2
-rm -f *.zip
-rm -rf PySolFC-Cardsets-2.0
-rm -rf ~/.local/share/python-for-android/packages
-rm -rf ~/.local/share/python-for-android/build
-rm -rf ~/.local/share/python-for-android/dists
-python3 -m pip uninstall python-for-android -y
-exit 0
diff --git a/android/mkp4a.common b/android/mkp4a.common
deleted file mode 100644
index f4114bbc..00000000
--- a/android/mkp4a.common
+++ /dev/null
@@ -1,36 +0,0 @@
-# Common constants for various scripts in this directory.
-
-version=$(PYTHONPATH=.. python3 -c \
-  'from pysollib.settings import VERSION; print(VERSION)')
-
-tmpdir=${HOME}/.cache/tmp-for-p4a/pysolfc/src
-
-cardsets_dir='PySolFC-Cardsets--Minimal-2.2.0'
-cardsets_file="${cardsets_dir}.tar.xz"
-
-p4aver="2019.10.6"
-ndkver="r19c"
-
-sdkdir="${HOME}/.cache/sdk-for-p4a/sdk"
-ndkdir="${HOME}/.cache/sdk-for-p4a/android-ndk-${ndkver}"
-pkgdir="${HOME}/.local/share/python-for-android/packages"
-
-# gradle may need this.
-export TERM="xterm"
-
-p4a_options="\
-  --sdk-dir ${sdkdir} \
-  --ndk-dir ${ndkdir} \
-  --dist-name pysolfc \
-  --name PySolFC \
-  --package org.lufebe16.pysolfc \
-  --version ${version} \
-  --bootstrap sdl2 \
-  --requirements python3,attrs,configobj,kivy,pysol-cards,random2,six \
-  --private ${tmpdir} \
-  --orientation sensor \
-  --icon ${tmpdir}/data/images/icons/48x48/pysol.png \
-  --presplash ${tmpdir}/data/images/logo-with-margin-1024.png \
-  --copy-libs \
-  --add-jar ${tmpdir}/support-v4-24.1.1.aar \
-  --color always"
diff --git a/android/mkp4a.debug b/android/mkp4a.debug
deleted file mode 100755
index 25cff219..00000000
--- a/android/mkp4a.debug
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/bash
-set -eux
-
-. mkp4a.common
-
-new_options=${p4a_options}
-new_options=${new_options/PySolFC/PySolFCdbg}
-new_options=${new_options/org.lufebe16.pysolfc/org.lufebe16.pysolfc.dbg}
-
-python3 -m pythonforandroid.toolchain apk \
-  ${new_options}
diff --git a/android/mkp4a.init b/android/mkp4a.init
deleted file mode 100755
index 1d1ef7ef..00000000
--- a/android/mkp4a.init
+++ /dev/null
@@ -1,71 +0,0 @@
-#!/bin/bash
-set -eux
-
-. mkp4a.common
-
-# NOTE: $1 will be set with fdroid builds only.
-
-echo '### prepare sdk'
-
-if [[ $# == 0 ]]
-then
-  ./initsupport
-  ./initsdk
-fi
-
-echo '### install p4a'
-
-if [[ $# == 0 ]]
-then
-    if not python3 -m pip install -q --user "python-for-android==${p4aver}"
-    then
-        echo "obviously inside a virtualenv, so omit --user"
-        if python3 -m pip install -q "python-for-android==${p4aver}"
-        then
-            echo "done"
-        fi
-    else
-        echo "done"
-    fi
-fi
-
-echo '### prepare source'
-
-(cd .. && make rules && make all_games_html && make mo)
-
-mkdir -p ${tmpdir}
-rm -rf ${tmpdir}
-cp -a .. ${tmpdir}
-rm -rf ${tmpdir}/android
-rm -rf ${tmpdir}/src
-
-# remove useless load from the app
-rm -rf ${tmpdir}/.git
-rm -rf ${tmpdir}/.gitignore
-rm -rf ${tmpdir}/Screenshots
-rm -rf ${tmpdir}/build
-rm -rf ${tmpdir}/contrib
-rm -rf ${tmpdir}/dist
-rm -rf ${tmpdir}/runtests.pl
-rm -rf ${tmpdir}/tests
-rm -rf ${tmpdir}/Brewfile
-rm -rf ${tmpdir}/.appveyor.yml
-rm -rf ${tmpdir}/.perltidyrc
-rm -rf ${tmpdir}/.travis.yml
-
-rm -rf ${tmpdir}/setup.py
-rm -rf ${tmpdir}/setup_osx.py
-rm -rf ${tmpdir}/setup.cfg
-
-cp -a ${pkgdir}/supportlib/support-v4-24.1.1.aar ${tmpdir}
-cp -a main.py ${tmpdir}
-mkdir -p ${tmpdir}/data/images/cards/bottoms/trumps-only
-echo "" > ${tmpdir}/data/images/cards/bottoms/trumps-only/.keep
-
-echo '### prepare cardsets'
-
-./mkcards
-
-cp -a ${cardsets_dir}/* ${tmpdir}/data
-
-echo '### end init'
diff --git a/android/mkp4a.preload b/android/mkp4a.preload
deleted file mode 100755
index 60c6a11c..00000000
--- a/android/mkp4a.preload
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/bash
-
-# package preload helper for fdroid build.
-
-set -eux
-
-if [[ $# < 3 ]]
-then
-  exit 1
-fi
-
-packagebase=${HOME}'/.local/share/python-for-android/packages'
-
-packagedir=${packagebase}/$1
-packageurl=$2
-packagename=$3
-packagemark='.mark-'${packagename}
-
-if [[ $# == 4 ]]
-then
-  packagemark='.mark'$4
-fi
-
-mkdir -p ${packagedir}
-cd ${packagedir}
-if [ ! -f ${packagemark} ]
-then
-  wget -nv ${packageurl}/${packagename}
-  touch ${packagemark}
-fi
diff --git a/android/mkp4a.release b/android/mkp4a.release
deleted file mode 100755
index 541c92cc..00000000
--- a/android/mkp4a.release
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/bin/bash
-set -e
-
-. mkp4a.common
-
-pass1=""
-pass2=""
-keyalias="python"
-keystore="${PWD}/bin/keystore"
-if [ $1 ]; then
-  pass1=$1
-  pass2=$1
-else
-  echo "usage: ./mkp4a.release <keystore-password> [<keyalias-password>] [<keyalias>] [<keystore-path>]"
-  echo "        (use ./mkkeystore to create one in default location)"
-  exit
-fi
-if [ $2 ]; then
-  pass2=$2
-fi
-if [ $3 ]; then
-  keyalias=$3
-fi
-if [ $4 ]; then
-  keystore=$4
-fi
-
-export P4A_RELEASE_KEYSTORE="$keystore"
-export P4A_RELEASE_KEYSTORE_PASSWD="$pass1"
-export P4A_RELEASE_KEYALIAS_PASSWD="$pass2"
-export P4A_RELEASE_KEYALIAS="$keyalias"
-
-python3 -m pythonforandroid.toolchain apk \
-  ${p4a_options} \
-  --release \
-  --sign
-
-# keystore options (instead environment vars):
-#
-# keystore:        --keystore <file>
-# key alias        --signkey   <keyalias>
-# keystore passwd  --keystorepw  <pass1>
-# key passwd       --signkeypw   <pass2>
diff --git a/android/mkp4a.unsigned b/android/mkp4a.unsigned
deleted file mode 100755
index 2c19f66c..00000000
--- a/android/mkp4a.unsigned
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/bash
-set -eux
-
-. mkp4a.common
-
-# NOTE: $1 and $2 (sdk and ndk) used with fdroid build only.
-
-if [[ $# == 2 ]]
-then
-  sdkdir=$1
-  ndkdir=$2
-fi
-
-python3 -m pythonforandroid.toolchain apk \
-  ${p4a_options} \
-  --sdk-dir ${sdkdir} \
-  --ndk-dir ${ndkdir} \
-  --release
-
-# python3 -m pythonforandroid.toolchain apk
-# ...
-# --release          #1
-# --sign             #2
-# ...
-#
-# ad 1,2:
-# ohne:    -> debug version
-# 1:       -> release unsigned
-# 1 und 2: -> release version.
diff --git a/android/version.py b/android/version.py
deleted file mode 100755
index 483b0b9b..00000000
--- a/android/version.py
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/usr/bin/env python3
-# ---------------------------------------------------------------------------
-#
-# PySol -- a Python Solitaire game
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; see the file COPYING.
-# If not, write to the Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# ---------------------------------------------------------------------------
-
-# import pychecker.checker
-
-# Starter for kivy/android using buildozer: Needs an explizitly
-# named main.py as startpoint.
-
-if True:
-    import sys
-    sys.path.insert(0, '..')
-if True:
-    from pysollib.settings import VERSION
-    print(VERSION)
diff --git a/buildozer/buildozer.init b/buildozer/buildozer.init
index b5548e02..27068ecd 100755
--- a/buildozer/buildozer.init
+++ b/buildozer/buildozer.init
@@ -28,6 +28,7 @@ echo "" > ${tmpdir}/data/images/cards/bottoms/trumps-only/.keep
 echo '### prepare cardsets'
 
 ./mkcards
+./resize4k ${tmpdir}/data/tiles
 
 cp -a cardsets/* ${tmpdir}/data
 
diff --git a/buildozer/mkcards b/buildozer/mkcards
index b35d97fa..5eee4ef5 100755
--- a/buildozer/mkcards
+++ b/buildozer/mkcards
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -eux
+#set -eux
 
 #loadmode="forge"
 loadmode=""
@@ -58,16 +58,22 @@ else
 		done
 		rm repo -rf
 
-  	echo '### processing cardsets'
+ 		echo '### processing cardsets'
 
-	  ../../scripts/cardconv gif png
-  	for i in cardset-*-png; do
-    	rm -rf `basename $i -png`
-  	done
+		../../scripts/cardconv gif png
+		for i in cardset-*-png; do
+			rm -rf `basename $i -png`
+		done
 		popd
 	fi
 
 	ln -s ${cardsets_dir} cardsets
 fi
 
+pushd cardsets
+	for i in cardset-*; do
+		../resizecards $i
+	done
+popd
+
 echo '### end cardsets'
diff --git a/buildozer/resize4k b/buildozer/resize4k
new file mode 100755
index 00000000..d33826be
--- /dev/null
+++ b/buildozer/resize4k
@@ -0,0 +1,37 @@
+#!/usr/bin/bash
+
+location='.'
+if [ $1 ]
+then
+  location=$1
+fi
+
+pushd $location
+
+dir='save-aspect-4k'
+if [ -d $dir ]
+then
+	pushd 'save-aspect-4k'
+	for f in *.jpg
+	do
+		echo $f
+		convert $f -resize 1920x1920 -quality 65 temp_$f
+		mv -f temp_$f $f
+	done
+	popd
+fi
+
+dir='stretch-4k'
+if [ -d $dir ]
+then
+	pushd 'stretch-4k'
+	for f in *.jpg
+	do
+		echo $f
+		convert $f -resize 1920x1920 -quality 65 temp_$f
+		mv -f temp_$f $f
+	done
+	popd
+fi
+
+popd
diff --git a/buildozer/resizecards b/buildozer/resizecards
new file mode 100755
index 00000000..719b09c8
--- /dev/null
+++ b/buildozer/resizecards
@@ -0,0 +1,110 @@
+#!/usr/bin/env python3
+# -*- mode: python; coding: utf-8; -*-
+
+import sys
+import os
+import math
+
+carddir = ""
+filename = ""
+maxw = 120
+maxh = 180
+
+# arguments:
+# 1: cardset directory
+# 2: maximum card width
+# 3: maximum card height
+
+if len(sys.argv) < 2:
+    exit (1)
+if len(sys.argv) > 1:
+    carddir = sys.argv[1]
+    filename = sys.argv[1]+"/config.txt"
+if len(sys.argv) > 2:
+    maxw = int(sys.argv[2])
+if len(sys.argv) > 3:
+    maxh = int(sys.argv[3])
+
+#print (filename)
+#print (carddir)
+#print (maxw,"x",maxh)
+
+# 1: read the config file line by line and extract x,y, xoffset, yoffset.
+
+lines_list = None
+with open(filename, "rt") as f:
+    lines_list = f.readlines()
+    lines_list = [line.strip() for line in lines_list]
+    if not lines_list[0].startswith("PySol"):
+        exit (1)
+
+#print (lines_list)
+
+cardw, cardh, cardd = (int(x) for x in lines_list[2].split())
+xoffs, yoffs, sxoffs, syoffs = (int(x) for x in lines_list[3].split())
+
+#print (cardw,cardh)
+#print (xoffs,yoffs)
+
+# 2: calculate scale factor.
+
+scale = maxw / cardw
+scaleh = maxh / cardh
+if scaleh < scale:
+    scale = scaleh
+
+#print (scale)
+
+if scale >= 1.0:
+    exit (0)
+
+# 3: convert all images to (width)x(height) with imagemagick if needed.
+
+def img_size(f):
+    stream = os.popen('identify '+f)
+    info = stream.read().split()
+    dims = info[2].split('x')
+    w = int(dims[0])
+    h = int(dims[1])
+    return (w,h)
+
+cardw = int(math.floor(cardw*scale))
+cardh = int(math.floor(cardh*scale))
+xoffs = int(math.ceil(xoffs*scale))
+yoffs = int(math.ceil(yoffs*scale))
+#print (cardw,cardh)
+#print (xoffs,yoffs)
+
+for fn in os.listdir(path=carddir):
+    file = carddir+'/'+fn
+    fileo = carddir+'/conv-'+fn
+
+    if fn.endswith('.png') and not fn.startswith('shadow'):
+        cmd = "convert "+file+" -resize "+str(cardw)+"x"+str(cardh)+" "+fileo
+        cmd2 = "mv -f "+fileo+" "+file
+        #print (cmd)
+        os.system(cmd)
+        os.system(cmd2)
+
+    if fn.endswith('.png') and fn.startswith('shadow'):
+        w,h = img_size(file)
+        if w>h:
+           w = int(w*scale)
+        else:
+           h = int(h*scale)
+        cmd = "convert "+file+" -resize '"+str(w)+"x"+str(h)+"!' "+fileo
+        cmd2 = "mv -f "+fileo+" "+file
+        #print (cmd)
+        os.system(cmd)
+        os.system(cmd2)
+
+# 4: rewrite the config file.
+
+print ('rescaled by',scale,':',carddir)
+lines_list[2] = str(cardw)+" "+str(cardh)+" "+str(cardd)
+lines_list[3] = str(xoffs)+" "+str(yoffs)+" "+str(sxoffs)+" "+str(syoffs)
+#print (lines_list)
+
+with open(carddir+"/config.txt", "w") as f:
+    for l in lines_list:
+        f.write(l+"\n")
diff --git a/fastlane/metadata/android/en-US/changelogs/102122100.txt b/fastlane/metadata/android/en-US/changelogs/102122100.txt
index 24e37cdc..69886bec 100644
--- a/fastlane/metadata/android/en-US/changelogs/102122100.txt
+++ b/fastlane/metadata/android/en-US/changelogs/102122100.txt
@@ -1,11 +1,13 @@
 Android specific:
-- Temporary screen orientation lock added. Long tap (2.5 seconds) to the
-  playground locks screen rotation.
-- Toolbar: configuration of displayed toolbar buttons added to options menu.
+- Temporary screen orientation lock added. Long tap (3 seconds) to the
+  playground locks screen rotation, pause unlocks.
+- Toolbar: configuration of displayed toolbar buttons added to the options menu.
 - Toolbar: dynamic updates on Toolbar and Options settings.
-- Toolbar buttons for 'new deal' and 'restart' have now display a
-	toast instead of executing immediatley. Tap to the toast accept.
+- Toolbar buttons for 'new deal' and 'restart' now display a
+	toast. Tap to it to accept.
 - Implementation of full picture hint for the new puzzle type games.
+- Background images from the save-aspect folder now are preserving
+  correct aspect ratio (bug fix).
 Main version:
 - consult NEWS.asscidoc or html-src/news.html on
   github for more change informations.
diff --git a/pysollib/kivy/menubar.py b/pysollib/kivy/menubar.py
index 6c155a49..76e058d9 100644
--- a/pysollib/kivy/menubar.py
+++ b/pysollib/kivy/menubar.py
@@ -38,6 +38,7 @@ from pysollib.kivy.LApp import LScrollView
 from pysollib.kivy.LApp import LTopLevel
 from pysollib.kivy.LApp import LTreeNode
 from pysollib.kivy.LApp import LTreeRoot
+from pysollib.kivy.androidrot import AndroidScreenRotation
 from pysollib.kivy.findcarddialog import destroy_find_card_dialog
 from pysollib.kivy.fullpicturedialog import destroy_full_picture_dialog
 from pysollib.kivy.selectcardset import SelectCardsetDialogWithPreview
@@ -55,7 +56,6 @@ from pysollib.pysoltk import connect_game_full_picture_dialog
 from pysollib.settings import SELECT_GAME_MENU
 from pysollib.settings import TITLE
 
-
 # ************************************************************************
 # * tk emuls:
 # ************************************************************************
@@ -2031,6 +2031,7 @@ class PysolMenubarTk:
                 return
         self.game.doPause()
         self.tkopt.pause.set(self.game.pause)
+        AndroidScreenRotation.unlock()
 
     def mOptLanguage(self, *args):
         if self._cancelDrag(break_pause=False):
diff --git a/pysollib/kivy/tkcanvas.py b/pysollib/kivy/tkcanvas.py
index 1c4e7c46..174e66ff 100644
--- a/pysollib/kivy/tkcanvas.py
+++ b/pysollib/kivy/tkcanvas.py
@@ -652,6 +652,10 @@ class MfxCanvas(Widget):
             hh = r.tex_coords[5] - v
             w = ww * stepsx
             h = hh * stepsy
+
+            # move reference point to top left:
+            v = stepsy - math.floor(stepsy)
+
             r.tex_coords = ( u, v, u + w, v, u + w, v + h, u, v + h )  # noqa
 
     def setBackgroundImage(self, event=None):