ScreenSplitr 2.3 is now compatible with iOS5. You can download it on Cydia. In this version, the app doesn’t prompt you anymore with a local notification when trying to connect to it over WiFi using iDemo. Instead you can set up a password to protect access when you launch ScreenSplitr.
iDemo 1.2.0 is also out with full support for ScreenSplitr 2.3 new authentication method and a bunch of improvements including Full Screen support! Check it out http://plutinosoft.com/idemo
iDemo 1.1.0 was released with tons of new features.
Check it out @ http://www.plutinosoft.com/idemo-1-1-0-out.