Please make sure keyboard focus is on the application and not the browser. The browser take back the common shortcuts when focused. To set focus on the application simply click on the stage.
Below are a list of keyboard shortcuts which have already been implemented within the iPlotz program:
As a heavy keyboard-user, I would love to see more shortcut keys on iPlotz. That is the functionality I miss the most from the time of Visio sketching.
Every single time I need to group something up I get frustrated by seen that CTRL+G does not do the work. The same goes to the CTRL+U to ungroup. At least on the desktop version this would be a major update.