diff --git a/examples/cl-repl/lisp/ini.lisp b/examples/cl-repl/lisp/ini.lisp
index e8f21c6..61797a6 100644
--- a/examples/cl-repl/lisp/ini.lisp
+++ b/examples/cl-repl/lisp/ini.lisp
@@ -59,7 +59,8 @@
 ;; needed for :sockets (linked as static lib)
 (asdf:defsystem :sb-bsd-sockets)
 
-;; eventual ssl libs (not included in LQML) need to be loaded manually
+;; eventual ssl libs need to be loaded manually
+;; TODO: still needed?
 #+android
 (when (probe-file "libssl.so")
   (ffi:load-foreign-library "libcrypto.so")
diff --git a/examples/clog-demo/readme-build.md b/examples/clog-demo/readme-build.md
new file mode 100644
index 0000000..ebc8c00
--- /dev/null
+++ b/examples/clog-demo/readme-build.md
@@ -0,0 +1,137 @@
+
+Prepare
+-------
+
+First you need to patch the ASDF from ECL android. So, switch to where you have
+ecl-android installed, and edit file: 'contrib/asdf/asdf.lisp'.
+
+Find the following function, and replace it with this code:
+```
+(defun system-source-directory (system-designator)
+  ;; hack
+  (let ((dir (pathname-directory-pathname (system-source-file system-designator))))
+    (if dir
+        (translate-logical-pathname dir)
+        (when (probe-file "/sdcard/") ; android (needs runtime check)
+          *default-pathname-defaults*))))
+```
+You need to rebuild ECL android after this; in order to make a clean rebuild,
+remove the following directories:
+  
+  rm -fr ecl-android
+  rm -fr ecl-android-host
+  rm -fr build
+
+Then run the 2 build scripts again.
+
+(Notes: this is needed because on android some paths are returned as logical
+pathnames, which need translation for the way they are used in CLOG. And in
+case the ASDF source files are not present, like here, the above path should
+not return NIL, which would give a runtime error, so we simply return the app
+path instead.)
+
+--
+
+If you use Qt versions prior to 5.15, you need to adapt the QML module version
+to your minor Qt version in all files under `qml/`.
+
+Example: Qt5.**12** => import QtQuick 2.**12**.
+
+The version number can be omitted in Qt6.
+
+
+Note
+----
+
+Every Lisp file under `lisp/` and every qml/image/font/whatever file under
+`qml/` is added **automatically** to your Qt project file (both for re-compile
+and adding to resources included in the executable).
+
+So, you only need to **manually** care about the usual ASDF project files in
+`app.asd`.
+
+
+Run desktop
+-----------
+```
+$ lqml run.lisp
+```
+
+
+Build desktop app
+-----------------
+```
+$ cd build
+
+$ qmake ..
+$ make
+```
+
+
+Build android APK
+-----------------
+```
+$ cd build-android
+
+$ qmake-android ..
+$ make apk
+
+$ ./install-run.sh
+```
+Log note: for showing only your own messages, see `log.sh`.
+
+
+
+Build iOS app
+-------------
+
+**Important notes**: the Qt Xcode integration is not perfect, which means: when
+you include asset files (like in example `swank-server`), they may not be
+copied to the build directory, the first time you build the app.
+
+So, it's a good idea to run `qmake-ios` twice before building the app.
+
+The first build after a `qmake-ios` will almost always fail (missing files):
+just run 'Build' (from Xcode) again, and the missing files will be created.
+
+You also need to check the console from where you launched `./xcode.sh` for
+eventual errors compiling the Lisp code.
+```
+$ cd build-ios
+
+$ qmake-ios ..
+$ qmake-ios .. # run twice
+
+$ ./xcode.sh
+```
+The script above first cross-compiles the Lisp code, then opens **Xcode**.
+
+Please note:
+
+* before building the app, go to 'Build Settings' / 'Build Options' and set
+  **Enable Bitcode** to **No**
+
+* if it complains about missing source files when first hitting the 'Run'
+  button, just hit the 'Run' button again (and they will be generated)
+
+* using latest Xcode, it may complain about the 'Legacy Build System'; just go
+  to 'File' / 'Project Settings' and select 'New Build System'
+
+* you only need to run `qmake-ios` again after you added/removed files to the
+  project; after every `qmake-ios`, the above steps need to be repeated
+
+If you cross-compiled ECL for the simulator, it should work there too, but this
+is currently only tested on **Intel**.
+
+Simulator note: to show the virtual keyboard, use `cmd-k`.
+
+
+Advanced note
+-------------
+For conditions during Qt event processing, a fallback restart is added at
+startup (needed in e.g. Slime).
+
+If you don't want this, define the following in `app.pro`:
+```
+DEFINES += NO_QT_RESTART
+```