(Top) The VMware vSphere Client for iPad shows basic information about the virtual data center. (Bottom) The standard desktop client shows that there are performance problems that must be addressed, which are not shown on the iPad app.
Tapping on an ESX host shows physical machine details (top) and VMs (bottom).
Tapping the heartbeat icon in the upper right of the VM icon flips the tile to show basic performance data for that VM.
Tapping the performance icon showed CPU, memory, disk and network usage for the selected ESX host in a trace report.
Tapping the gear icon (top left) enabled me to put an ESX host into maintenance mode and also reboot the physical system.
VMware vSphere Client for iPad has a couple of handle tools—Ping and Trace Route—to make network troubleshooting easier from the iPad.
Searching on "cam" resulted in all the VMs with "cam" in the name, a handy way to find systems quickly.
It was possible to look at basic performance for several VMs at the same time.