If you want to monitor you AppServers from your iPhone... check out this new application. It works great too...
itms://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=336858411&mt=8&s=143441
or
http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=336858411&mt=8&s=143441
Cheers!
Version 2.0.0 has been released and now supports all J2EE Application Servers.