diff --git a/android/mkp4a.init b/android/mkp4a.init
index 00f201ac..df9e7fed 100755
--- a/android/mkp4a.init
+++ b/android/mkp4a.init
@@ -17,7 +17,16 @@ echo '### install p4a'
 
 if [[ $# == 0 ]]
 then
-  python3 -m pip install -q --user python-for-android
+    if not python3 -m pip install -q --user python-for-android
+    then
+        echo "obviously inside a virtualenv, so omit --user"
+        if python3 -m pip install -q python-for-android
+        then
+            echo "done"
+        fi
+    else
+        echo "done"
+    fi
 fi
 
 echo '### prepare source'
diff --git a/pysollib/kivy/LApp.py b/pysollib/kivy/LApp.py
index f4596c06..a7e2b7e1 100644
--- a/pysollib/kivy/LApp.py
+++ b/pysollib/kivy/LApp.py
@@ -54,6 +54,10 @@ from kivy.utils import platform
 
 from pysollib.kivy.androidperms import requestStoragePerm
 
+from kivy.config import Config
+if platform is not 'android':
+	  Config.set('input', 'mouse', 'mouse,multitouch_on_demand')
+
 # =============================================================================
 
 
@@ -713,13 +717,27 @@ class LImageItem(BoxLayout, LBase):
         # ev. noch globales cache für stacks->game und cards->stack
         # einrichten. Aber: stacks hängt vom jeweiligen spiel ab.
 
-    def send_event_pressed_1(self, event):
-        if self.group and '<1>' in self.group.bindings:
-            self.group.bindings['<1>'](event)
+    def send_event_pressed_n(self, event, n):
+        if self.group and n in self.group.bindings:
+            self.group.bindings[n](event)
 
-    def send_event_pressed_double_1(self, event):
-        if self.group and '<Double-1>' in self.group.bindings:
-            self.group.bindings['<Double-1>'](event)
+    def send_event_pressed(self, touch, event):
+
+        if touch.is_double_tap:
+            self.send_event_pressed_n(event,'<Double-1>')
+        else:
+            button = 'left'
+            if 'button' in touch.profile:
+                button = touch.button
+            if button is 'left':
+                self.send_event_pressed_n(event,'<1>')
+                return
+            if button is 'middle':
+                self.send_event_pressed_n(event,'<2>')
+                return
+            if button is 'right':
+                self.send_event_pressed_n(event,'<3>')
+                return
 
     def on_touch_down(self, touch):
 
@@ -743,10 +761,7 @@ class LImageItem(BoxLayout, LBase):
                                 event.y = ppos[1]
                                 self.dragstart = touch.pos
                                 event.cardid = i
-                                if touch.is_double_tap:
-                                    self.send_event_pressed_double_1(event)
-                                else:
-                                    self.send_event_pressed_1(event)
+                                self.send_event_pressed(touch,event)
                                 return True
 
             if self.group is not None:
@@ -1777,10 +1792,9 @@ class LApp(App):
 
     def doSize(self, obj, val):
         mval = self.mainWindow.size
-        logging.info("LApp: size changed %s - %s (%s)" % (obj, val, mval))
-        # Clock.schedule_once(self.delayedRebuild, 0.01)
-        Clock.schedule_once(self.makeDelayedRebuild(), 0.01)
-        # self.mainWindow.rebuildContainer()
+        if (val[0]!=mval[0] and val[1]!=mval[1]):
+            logging.info("LApp: size changed %s - %s (%s)" % (obj, val, mval))
+            Clock.schedule_once(self.makeDelayedRebuild(), 0.01)
         pass
 
     def on_start(self):