CF LaunchPad app is available for both iOS and Android. It is the same as iViewer, except for a few important changes:
These changes mean no more messing around with Device IDs for licensing and no more having to enter GUI File URLs.
So if a client gets a new phone or tablet, they simply need to install the app and enter the project token and PIN to be up and running in no time.
See the Loading Projects with LaunchPad documentation for how to use the app.