The download area is at :
Here can be found various binary kits.
LHCStatus is available on GooglePlay for devices with at least Android-2.1. Note that the LHCStatus-release.apk is also available from the download area.
On a Mac, download and unzip the LHCStatus.app.zip, then click on the LHCStatus icon (or do : open LHCStatus.app, from a terminal).
LHCStatus is not available on the AppStore. Apple rejected the app (in particular they found that the LHC status panel image is of poor quality).