Edit (2013-07-24): Uploaded the x86 patch.
Lenovo has only released a ThinkPad version of Active Protection System for Windows 8 (Version 184.108.40.206).
The latest version available for IdeaPad S205 on Lenovo Support (Version 1.70.11, Windows 7) is not compatible with Windows 8 (it crashes immediately due to compatibility issues).
Fortunately, I’ve found a way to run the APS on this netbook (and probably on other unsupported devices as well) by combining these two versions.
It turned out that the .cpl (Control Panel Extension) was the non-working module. I hope that Lenovo will release a proper, fixed version. Until then, here is a quick installation guide:
1. Run the APS 1.70.11 installer.
Select English when asked for language. Don’t change the default installation folder.
It isn’t necessary to reboot.
2. Run patch.bat
3. [optional] Reboot
4. Check Lenovo – Airbag Protection in Control Panel.
Supported devices (according to S205 Support page)
Lenovo B470, B570, V370, V470, V570, IdeaPad S205
If you haven’t already seen it, check out this tutorial to play a small game using the accelerometer driver