diff --git a/buildozer/aversion b/buildozer/aversion
index fd5678b06..a62e3f1ed 100755
--- a/buildozer/aversion
+++ b/buildozer/aversion
@@ -14,6 +14,14 @@ sversion=$(echo $version  | sed -E "s:(.*)\..*:\1:")
 tuple=$(echo $version | sed -E "s:(.*)\.(.*)\.(.*):(\1, \2, \3):")
 
 # patch different version info accordingly.
-sed -E "s:VERSION_TUPLE =.*:VERSION_TUPLE = $tuple:" -i $appdir/pysollib/settings.py
-sed -E "s:(.*\(')dev(',.*):\1fc-$sversion\2:" -i $appdir/pysollib/gamedb.py
+tmp1=$(mktemp)
+sed -E "s:VERSION_TUPLE =.*:VERSION_TUPLE = $tuple:" \
+    $appdir/pysollib/settings.py > "$tmp1"
+mv "$tmp1" $appdir/pysollib/settings.py
+
+tmp2=$(mktemp)
+sed -E "s:(.*\(')dev(',.*):\1fc-$sversion\2:" \
+    $appdir/pysollib/gamedb.py > "$tmp2"
+mv "$tmp2" $appdir/pysollib/gamedb.py
+
 echo "VERSION = $version"
diff --git a/buildozer/resize4k b/buildozer/resize4k
index d33826be2..d217d8b44 100755
--- a/buildozer/resize4k
+++ b/buildozer/resize4k
@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/bin/bash
 
 location='.'
 if [ $1 ]
diff --git a/po/de_pysol.po b/po/de_pysol.po
index 22b077b36..f1233980a 100644
--- a/po/de_pysol.po
+++ b/po/de_pysol.po
@@ -2819,6 +2819,10 @@ msgstr ""
 msgid "Full picture"
 msgstr ""
 
+#: pysollib\kivy\menubar.py:146 pysollib\kivy\selectgame.py:493
+msgid "< Back"
+msgstr ""
+
 #: pysollib\kivy\menubar.py:265
 msgid "File"
 msgstr "Datei"
diff --git a/po/fr_pysol.po b/po/fr_pysol.po
index 15393121d..65a631524 100644
--- a/po/fr_pysol.po
+++ b/po/fr_pysol.po
@@ -2860,6 +2860,10 @@ msgstr ""
 msgid "Full picture"
 msgstr ""
 
+#: pysollib\kivy\menubar.py:146 pysollib\kivy\selectgame.py:493
+msgid "< Back"
+msgstr ""
+
 #: pysollib\kivy\menubar.py:265
 msgid "File"
 msgstr "Fichier"
diff --git a/po/it_pysol.po b/po/it_pysol.po
index 9caa0167b..d16ae3b05 100644
--- a/po/it_pysol.po
+++ b/po/it_pysol.po
@@ -2866,6 +2866,10 @@ msgstr ""
 msgid "Full picture"
 msgstr ""
 
+#: pysollib\kivy\menubar.py:146 pysollib\kivy\selectgame.py:493
+msgid "< Back"
+msgstr ""
+
 #: pysollib\kivy\menubar.py:265
 msgid "File"
 msgstr ""
diff --git a/po/pl_pysol.po b/po/pl_pysol.po
index 72fea0396..fd0e4a917 100644
--- a/po/pl_pysol.po
+++ b/po/pl_pysol.po
@@ -2881,6 +2881,10 @@ msgstr ""
 msgid "Full picture"
 msgstr ""
 
+#: pysollib\kivy\menubar.py:146 pysollib\kivy\selectgame.py:493
+msgid "< Back"
+msgstr ""
+
 #: pysollib\kivy\menubar.py:265
 msgid "File"
 msgstr "Plik"
diff --git a/po/pt_BR_pysol.po b/po/pt_BR_pysol.po
index 69bdf7986..16ac14cc9 100644
--- a/po/pt_BR_pysol.po
+++ b/po/pt_BR_pysol.po
@@ -2888,6 +2888,10 @@ msgstr ""
 msgid "Full picture"
 msgstr ""
 
+#: pysollib\kivy\menubar.py:146 pysollib\kivy\selectgame.py:493
+msgid "< Back"
+msgstr ""
+
 #: pysollib\kivy\menubar.py:265
 msgid "File"
 msgstr "Arquivo"
diff --git a/po/pysol.pot b/po/pysol.pot
index b2958ad3f..9b75fa2ba 100644
--- a/po/pysol.pot
+++ b/po/pysol.pot
@@ -3005,6 +3005,10 @@ msgstr ""
 msgid "Full picture"
 msgstr ""
 
+#: pysollib\kivy\menubar.py:146 pysollib\kivy\selectgame.py:493
+msgid "< Back"
+msgstr ""
+
 #: pysollib\kivy\menubar.py:265
 msgid "File"
 msgstr ""
diff --git a/po/ru_pysol.po b/po/ru_pysol.po
index 0167e796f..5c32b0d8a 100644
--- a/po/ru_pysol.po
+++ b/po/ru_pysol.po
@@ -2867,6 +2867,10 @@ msgstr ""
 msgid "Full picture"
 msgstr ""
 
+#: pysollib\kivy\menubar.py:146 pysollib\kivy\selectgame.py:493
+msgid "< Back"
+msgstr ""
+
 #: pysollib\kivy\menubar.py:265
 msgid "File"
 msgstr "Файл"
diff --git a/pysollib/kivy/LApp.py b/pysollib/kivy/LApp.py
index aa09d8bc5..a0e1a8c33 100644
--- a/pysollib/kivy/LApp.py
+++ b/pysollib/kivy/LApp.py
@@ -1197,6 +1197,7 @@ def __init__(self, top, title='', **kw):
         super().__init__(title=title, **kw)
 
         self.main = top
+        self.is_overlay = True
         self.titleline.bind(on_press=self.onClick)
         self.main.pushWork(self.title, self)
 
@@ -1787,6 +1788,12 @@ def rebuildContainer(self):
 
     def pushWork(self, key, widget):
         if (widget):
+            is_overlay = getattr(widget, 'is_overlay', False)
+            if key != 'playground' and not is_overlay:
+                for k, w in list(self.workStack.items):
+                    if k not in ('playground', key) and not getattr(
+                            w, 'is_overlay', False):
+                        self.workStack.pop(k)
             self.workStack.push(key, widget)
             self.rebuildContainer()
 
diff --git a/pysollib/kivy/menubar.py b/pysollib/kivy/menubar.py
index 4902cf99c..2857fa23e 100644
--- a/pysollib/kivy/menubar.py
+++ b/pysollib/kivy/menubar.py
@@ -140,6 +140,11 @@ def addSliderNode(self, tv, rg, auto_var, auto_setup):
             LTreeSliderNode(variable=auto_var, setup=auto_setup), rg)
         return rg1
 
+    def addBackNode(self, tv):
+        tv.add_node(LTreeNode(
+            text='[b]' + _('< Back') + '[/b]',
+            command=self.make_command(self.menubar.mMainMenuDialog)))
+
 # ************************************************************************
 # * Tree Generators
 # ************************************************************************
@@ -323,6 +328,8 @@ def doit():
         return doit
 
     def buildTree(self, tv, node):
+        self.addBackNode(tv)
+
         rg = tv.add_node(
             LTreeNode(text=_('Recent games')))
         recids = self.app.opt.recent_gameid
@@ -370,6 +377,8 @@ def __init__(self, menubar, parent, title, app, **kw):
             menubar, parent, title, app, **kw)
 
     def buildTree(self, tv, node):
+        self.addBackNode(tv)
+
         tv.add_node(LTreeNode(
             text=_('New game'), command=self.menubar.mNewGame))
         tv.add_node(LTreeNode(
@@ -444,7 +453,7 @@ def __init__(self, menubar, parent, title, app, **kw):
         super().__init__(
             menubar, parent, title, app, **kw)
 
-    def make_command(self, key, command):
+    def make_stats_command(self, key, command):
         def stats_command():
             kw = {}
             kw['mode'] = key
@@ -452,14 +461,18 @@ def stats_command():
         return stats_command
 
     def buildTree(self, tv, node):
+        self.addBackNode(tv)
+
         tv.add_node(LTreeNode(
             text=_('Current game...'),
             command=self.auto_close(
-                self.make_command(101, self.menubar.mPlayerStats))), None)
+                self.make_stats_command(101, self.menubar.mPlayerStats))),
+            None)
 
         # tv.add_node(LTreeNode(
         #   text='All games ...',
-        #   command=self.make_command(102, self.menubar.mPlayerStats)), None)
+        #   command=self.make_stats_command(102, self.menubar.mPlayerStats)),
+        #   None)
 
     # -------------------------------------------
     # TBD ? - just to remember original tk code.
@@ -515,6 +528,8 @@ def __init__(self, menubar, parent, title, app, **kw):
             menubar, parent, title, app, **kw)
 
     def buildTree(self, tv, node):
+        self.addBackNode(tv)
+
         tv.add_node(LTreeNode(
             text=_('Hint'), command=self.menubar.mHint))
 
@@ -552,6 +567,8 @@ def buildTree(self, tv, node):
 
 class LOptionsMenuGenerator(LTreeGenerator):
     def buildTree(self, tv, node):
+        self.addBackNode(tv)
+
         # -------------------------------------------
         # Automatic play settings
 
@@ -1344,6 +1361,8 @@ def __init__(self, menubar, parent, title, app, **kw):
         super().__init__(menubar, parent, title, app, **kw)
 
     def buildTree(self, tv, node):
+        self.addBackNode(tv)
+
         tv.add_node(
             LTreeNode(
                 text=_('Contents'),
diff --git a/pysollib/kivy/selectgame.py b/pysollib/kivy/selectgame.py
index a9946a0ea..49ebf2d4f 100644
--- a/pysollib/kivy/selectgame.py
+++ b/pysollib/kivy/selectgame.py
@@ -487,6 +487,12 @@ def loaderCB(treeview, node):
         tv.load_func = loaderCB
         tv.bind(minimum_height=tv.setter('height'))
 
+        def back_command():
+            parent.popWork('SelectGame')
+            self.app.menubar.mMainMenuDialog()
+        tv.add_node(LTreeNode(
+            text='[b]' + _('< Back') + '[/b]', command=back_command))
+
         # tree in einem Scrollwindow präsentieren.
 
         root = LScrollView(pos=(0, 0))