update readme

gui/kivy/Readme.txt

@@ -10,12 +10,17 @@ Commands::
 If something in included modules like kivy or any other module changes
 then you need to rebuild the distribution. To do so:
 
-   `rm -rf .buildozer/android/platform/python-for-android/dist`
+  rm -rf .buildozer/android/platform/python-for-android/dist
 
 
-Note:
+Notes:
-  python-for-android must be patched with:
+
+
+To use internal storage, python-for-android must be patched with:
+
   git pull git@github.com:denys-duchier/python-for-android.git fix-recursive-delete
 
 
+To fix the clipboard, pyjnius uses the handle_charsequence branch:
+
    export P4A_pyjnius_DIR=local_clone