yes, it seems to be, that this solution does not work for all Android versions
you found out, it does not work on Jellybean
I just tested on HTC Desire S running Android 2.3.5 (Gingerbread) and it also did not work.
it works on the following Android versions though:
- Samsung Galaxy Tab 10.1N running Android 3.2 (Honeycomb)
- Nexus 5 running Android 5.0 (Lollipop) and I think, it also worked on Android 4.4.4 (Kitkat)
I will add a note on my webpage. Thank you.
Taifun